TY  - CONF
AU  - Kljajević, Ljiljana
AU  - Mladenović Nikolić, Nataša
AU  - Kandić, Aleksandar
AU  - Vukanac, Ivana
AU  - Ivanović, Marija M.
AU  - Knežević, Sanja
AU  - Mirković, Miljana
AU  - Nenadović, Snežana
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12091
AB  - Improperly storage of fly ash as industrial wastes has been a cause of land contamination issues. These wastes or by-products have the potential to be used as secondary raw materials in construction, promoting the concept of a circular economy that will avoid land contamination. Here we evaluate radiological environmental impacts when wastes that contain elevated levels of naturally occurring radionuclides (NORs) such as fly ash and wood ash are made into 'green cements' such as geopolymers or alkali-activated materials (AAMs). Alkali-activated materials were formed by alkali-activation reaction of wood and fly ash, as a solid precours, and alkali activator solution, sodium hydroxide and sodium silicate. Three differente concentration of alkali solution were used. Determination of radionuclide content was performed by means of gamma-ray spectrometry. The external absorbed gamma dose rate was 68.6-98.1 nGy/h, and external radiation hazard index for alkali-activated material AAM4, AAM6 and AAM12 were 0.544 Bq/kg, 0.575 Bq/kg and 0.403 Bq/kg, respectively. The results of activity concentration measurements in alkali-activated materials indicate potential of their safe application in building constructions. In terms of some the structural characterizations the obtained alkali activated materials were examined.
AB  - Nepravilno skladištenje letećeg pepela kao industrijskog otpada je uzrok problema kontaminacije zemljišta. Ovaj otpad ili nusproizvodi imaju potencijal da se koriste kao sekundarne sirovine u građevinarstvu, promovišući koncept kružne ekonomije kako bi se izbegla kontaminaciju zemljišta. U ovom radu procenjuje se radiološki uticaj na životnu sredinu kada se otpad koji sadrži povišene nivoe prirodnih radionuklida kao što su leteći pepeo i drveni pepeo pretvara u zelene cemente kao što su geopolimeri ili alkalno aktivirani materijali (AAM). Alkalno-aktivirani materijali nastali su reakcijom alkalne aktivacije drvenog i elektrofilterskog pepela, kao čvrstih prekursora, i rastvora alkalnog aktivatora, natrijum hidroksida i natrijum silikata. Korišćene su tri različite koncentracije ratvora alkalnog aktivatora. Određivanje sadržaja radionuklida urađeno je spektrometrijom gama zraka. Jačina apsorbovane doze bila je 68,6-98,1 nGy/h, a Hex (Bq/kg ) za alkalno aktivirane materijale AAM4, AAM6 i AAM12 je bio 0,544 Bq/kg, 0,575 Bq/kg i 0,403 Bq/kg, respektivno. Rezultati merenja koncentracije aktivnosti u alkalno aktiviranim materijalima ukazuju na potencijal njihove bezbedne primene u građevinskim konstrukcijama. Alkalno aktivirani materijali su ispitani i u pogledu nekih strukturnih karakteristika.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - Radiological Characterization of Alkali Activated Materials Containing Wood and Fly Ash
T1  - Radiološka karakterizacija alkalno aktivnih materijala koji sadrže drveni i leteći pepeo
SP  - 71
EP  - 79
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12091
ER  - 

@conference{
author = "Kljajević, Ljiljana and Mladenović Nikolić, Nataša and Kandić, Aleksandar and Vukanac, Ivana and Ivanović, Marija M. and Knežević, Sanja and Mirković, Miljana and Nenadović, Snežana",
year = "2023",
abstract = "Improperly storage of fly ash as industrial wastes has been a cause of land contamination issues. These wastes or by-products have the potential to be used as secondary raw materials in construction, promoting the concept of a circular economy that will avoid land contamination. Here we evaluate radiological environmental impacts when wastes that contain elevated levels of naturally occurring radionuclides (NORs) such as fly ash and wood ash are made into 'green cements' such as geopolymers or alkali-activated materials (AAMs). Alkali-activated materials were formed by alkali-activation reaction of wood and fly ash, as a solid precours, and alkali activator solution, sodium hydroxide and sodium silicate. Three differente concentration of alkali solution were used. Determination of radionuclide content was performed by means of gamma-ray spectrometry. The external absorbed gamma dose rate was 68.6-98.1 nGy/h, and external radiation hazard index for alkali-activated material AAM4, AAM6 and AAM12 were 0.544 Bq/kg, 0.575 Bq/kg and 0.403 Bq/kg, respectively. The results of activity concentration measurements in alkali-activated materials indicate potential of their safe application in building constructions. In terms of some the structural characterizations the obtained alkali activated materials were examined., Nepravilno skladištenje letećeg pepela kao industrijskog otpada je uzrok problema kontaminacije zemljišta. Ovaj otpad ili nusproizvodi imaju potencijal da se koriste kao sekundarne sirovine u građevinarstvu, promovišući koncept kružne ekonomije kako bi se izbegla kontaminaciju zemljišta. U ovom radu procenjuje se radiološki uticaj na životnu sredinu kada se otpad koji sadrži povišene nivoe prirodnih radionuklida kao što su leteći pepeo i drveni pepeo pretvara u zelene cemente kao što su geopolimeri ili alkalno aktivirani materijali (AAM). Alkalno-aktivirani materijali nastali su reakcijom alkalne aktivacije drvenog i elektrofilterskog pepela, kao čvrstih prekursora, i rastvora alkalnog aktivatora, natrijum hidroksida i natrijum silikata. Korišćene su tri različite koncentracije ratvora alkalnog aktivatora. Određivanje sadržaja radionuklida urađeno je spektrometrijom gama zraka. Jačina apsorbovane doze bila je 68,6-98,1 nGy/h, a Hex (Bq/kg ) za alkalno aktivirane materijale AAM4, AAM6 i AAM12 je bio 0,544 Bq/kg, 0,575 Bq/kg i 0,403 Bq/kg, respektivno. Rezultati merenja koncentracije aktivnosti u alkalno aktiviranim materijalima ukazuju na potencijal njihove bezbedne primene u građevinskim konstrukcijama. Alkalno aktivirani materijali su ispitani i u pogledu nekih strukturnih karakteristika.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "Radiological Characterization of Alkali Activated Materials Containing Wood and Fly Ash, Radiološka karakterizacija alkalno aktivnih materijala koji sadrže drveni i leteći pepeo",
pages = "71-79",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12091"
}

Kljajević, L., Mladenović Nikolić, N., Kandić, A., Vukanac, I., Ivanović, M. M., Knežević, S., Mirković, M.,& Nenadović, S.. (2023). Radiological Characterization of Alkali Activated Materials Containing Wood and Fly Ash. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 71-79.
https://hdl.handle.net/21.15107/rcub_vinar_12091

Kljajević L, Mladenović Nikolić N, Kandić A, Vukanac I, Ivanović MM, Knežević S, Mirković M, Nenadović S. Radiological Characterization of Alkali Activated Materials Containing Wood and Fly Ash. in 32. simpozijum DZZSCG : zbornik radova. 2023;:71-79.
https://hdl.handle.net/21.15107/rcub_vinar_12091 .

Kljajević, Ljiljana, Mladenović Nikolić, Nataša, Kandić, Aleksandar, Vukanac, Ivana, Ivanović, Marija M., Knežević, Sanja, Mirković, Miljana, Nenadović, Snežana, "Radiological Characterization of Alkali Activated Materials Containing Wood and Fly Ash" in 32. simpozijum DZZSCG : zbornik radova (2023):71-79,
https://hdl.handle.net/21.15107/rcub_vinar_12091 .

TY  - CONF
AU  - Vukanac, Ivana
AU  - Rajačić, Milica
AU  - Borjanović, Iris
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12233
AB  - Radon is the main source of natural radiation and has been classified as a carcinogen by the relevant international organizations. It is released from soil, water, building materials in the atmosphere and the most significant part of dose due to radon is received by the inhalation of 222Rn and its progeny in closed spaces. At Technical College of Applied Sciences in Zrenjanin (TCAS) two-day long radon concentration measurements were performed in eight rooms during summer holidays by using open charcoal canisters (EPA520 method) and by simultaneously engaged active type Airthings radon detectors. During the measurements open charcoal canisters and Airthing detector were placed one near the other at the table of about 1 m height, windows and doors in the rooms were kept closed and rooms were also not ventilated for some time before the start of the measurements. These studies were performed in order to check radon concentration levels at TCAS as part of the project Radon Level Measurement activities financed by the Provincial Secretariat for Higher Education and Scientific Research. The results were compared and discussed.
PB  - Niš : RAD Centre
C3  - RAD 2023 : 11th International Conference on Radiation Natural Sciences, Medicine, Engineering, Technology and Ecology : Book of Abstracts
T1  - Comparison of results of radon level measurements obtained with charcoal canisters and airthings detectors during summer at TCAS
SP  - 277
EP  - 277
DO  - 10.21175/rad.abstr.book.2023.43.1
ER  - 

@conference{
author = "Vukanac, Ivana and Rajačić, Milica and Borjanović, Iris",
year = "2023",
abstract = "Radon is the main source of natural radiation and has been classified as a carcinogen by the relevant international organizations. It is released from soil, water, building materials in the atmosphere and the most significant part of dose due to radon is received by the inhalation of 222Rn and its progeny in closed spaces. At Technical College of Applied Sciences in Zrenjanin (TCAS) two-day long radon concentration measurements were performed in eight rooms during summer holidays by using open charcoal canisters (EPA520 method) and by simultaneously engaged active type Airthings radon detectors. During the measurements open charcoal canisters and Airthing detector were placed one near the other at the table of about 1 m height, windows and doors in the rooms were kept closed and rooms were also not ventilated for some time before the start of the measurements. These studies were performed in order to check radon concentration levels at TCAS as part of the project Radon Level Measurement activities financed by the Provincial Secretariat for Higher Education and Scientific Research. The results were compared and discussed.",
publisher = "Niš : RAD Centre",
journal = "RAD 2023 : 11th International Conference on Radiation Natural Sciences, Medicine, Engineering, Technology and Ecology : Book of Abstracts",
title = "Comparison of results of radon level measurements obtained with charcoal canisters and airthings detectors during summer at TCAS",
pages = "277-277",
doi = "10.21175/rad.abstr.book.2023.43.1"
}

Vukanac, I., Rajačić, M.,& Borjanović, I.. (2023). Comparison of results of radon level measurements obtained with charcoal canisters and airthings detectors during summer at TCAS. in RAD 2023 : 11th International Conference on Radiation Natural Sciences, Medicine, Engineering, Technology and Ecology : Book of Abstracts
Niš : RAD Centre., 277-277.
https://doi.org/10.21175/rad.abstr.book.2023.43.1

Vukanac I, Rajačić M, Borjanović I. Comparison of results of radon level measurements obtained with charcoal canisters and airthings detectors during summer at TCAS. in RAD 2023 : 11th International Conference on Radiation Natural Sciences, Medicine, Engineering, Technology and Ecology : Book of Abstracts. 2023;:277-277.
doi:10.21175/rad.abstr.book.2023.43.1 .

Vukanac, Ivana, Rajačić, Milica, Borjanović, Iris, "Comparison of results of radon level measurements obtained with charcoal canisters and airthings detectors during summer at TCAS" in RAD 2023 : 11th International Conference on Radiation Natural Sciences, Medicine, Engineering, Technology and Ecology : Book of Abstracts (2023):277-277,
https://doi.org/10.21175/rad.abstr.book.2023.43.1 . .

TY  - CONF
AU  - Sarap, Nataša
AU  - Janković, Marija
AU  - Krneta Nikolić, Jelena
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12231
PB  - Niš : RAD Centre
C3  - RAD 2023 : 11th International Conference on Radiation Natural Sciences, Medicine, Engineering, Technology and Ecology : Book of Abstracts
T1  - Quantification of radioactive metabolite Sr-90 in environmental samples
SP  - 203
EP  - 203
DO  - 10.21175/rad.abstr.book.2023.34.12
ER  - 

@conference{
author = "Sarap, Nataša and Janković, Marija and Krneta Nikolić, Jelena and Rajačić, Milica and Vukanac, Ivana",
year = "2023",
publisher = "Niš : RAD Centre",
journal = "RAD 2023 : 11th International Conference on Radiation Natural Sciences, Medicine, Engineering, Technology and Ecology : Book of Abstracts",
title = "Quantification of radioactive metabolite Sr-90 in environmental samples",
pages = "203-203",
doi = "10.21175/rad.abstr.book.2023.34.12"
}

Sarap, N., Janković, M., Krneta Nikolić, J., Rajačić, M.,& Vukanac, I.. (2023). Quantification of radioactive metabolite Sr-90 in environmental samples. in RAD 2023 : 11th International Conference on Radiation Natural Sciences, Medicine, Engineering, Technology and Ecology : Book of Abstracts
Niš : RAD Centre., 203-203.
https://doi.org/10.21175/rad.abstr.book.2023.34.12

Sarap N, Janković M, Krneta Nikolić J, Rajačić M, Vukanac I. Quantification of radioactive metabolite Sr-90 in environmental samples. in RAD 2023 : 11th International Conference on Radiation Natural Sciences, Medicine, Engineering, Technology and Ecology : Book of Abstracts. 2023;:203-203.
doi:10.21175/rad.abstr.book.2023.34.12 .

Sarap, Nataša, Janković, Marija, Krneta Nikolić, Jelena, Rajačić, Milica, Vukanac, Ivana, "Quantification of radioactive metabolite Sr-90 in environmental samples" in RAD 2023 : 11th International Conference on Radiation Natural Sciences, Medicine, Engineering, Technology and Ecology : Book of Abstracts (2023):203-203,
https://doi.org/10.21175/rad.abstr.book.2023.34.12 . .

TY  - CONF
AU  - Samolov, Aleksandra
AU  - Kandić, Aleksandar
AU  - Đurašević, Mirjana M.
AU  - Čeliković, Igor T.
AU  - Milanović, Tamara
AU  - Erić, Milić
AU  - Vukanac, Ivana
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11792
AB  - Ugalj kao fosilno gorivo sadrži brojne prirodne radioaktivne izotope koji pripadaju uranovom i torijumovom nizu, kao i 40K. Najviše se koristi u industriji, kao i u proizvodnji energije. Problem u vezi sa proizvodnjom energije iz uglja je takozvani „energetski otpad“, kao što su pepeo i šljaka, koji predstavljaju nesagorivi i nesagoreli ostatak pri sagorevanja uglja. Ako se pepeo i šljaka odlažu u životnu sredinu, može doći do povećanja i/ili preraspodele prirodnog sadržaja radionuklida. Da bi se utvrdio potencijalni uticaj „energetskog otpada“ na životnu sredinu, uzorci uglja, pepela i šljake iz termoelektrana „Nikola Tesla“ i „Kolubara“ mereni su poluprovodničkim HPGe spektrometrom u Laboratoriji za nuklearnu i plazmu fiziku Instituta „Vinča“. Kao rezultat ovih merenja, dobijene su koncentracije prirodnih radionuklida i veštačkog radionuklida 137Cs kao, što je prikazano u ranije objavljenim radovima. Prikazani rezultati su u saglasnosti sa istraživanjima sprovedenim širom sveta.   Da bi se obezbedila tačnost i preciznost (pouzdanost) dobijenih rezultata merenja, u okviru Laboratorije uspostavljen je program kontrole kvaliteta (QC) i osiguranja kvaliteta (QA). Interna kontrola obuhvata proveru karakteristika poluprovodničkog HPGe spektrometra koji se koristi za merenje svih analiziranih uzoraka. Tačkasti izvori 60Co i 137Cs se koriste kao kontrolni izvori za proveru položaja pika, ukupne površine ispod pika, FWHM (puna širina na polovini maksimuma pika), FWTM (puna širina na desetini maksimuma pika) i odnos FWHM/FWTM. Pored navedenih karakteristika, redovno se kontroliše i ukupni odbroj prirodnog fona. Svaka od navedenih karakteristika može ukazati na neku nepravilnost u radu detektorskog sistema.   Cilj ovograda je da se prikažu kontrolne karte ispitivanih karakteristika poluprovodničkog HPGe spektrometra korišćenog za merenje uzoraka uglja, pepela i šljake. Dobijene kontrolne karte predstavljaju važan alat na osnovu kojeg se analizira dugoročna stabilnost spektrometra
AB  - eir daughter products, as well as 40K. It is widely used in industry as well as in energy pro-duction. The problems associated with the production of energy from coal is the so-called “energy waste”, such as ash and slag, which are incombustible and unburnt residue from combustion of coal. If ash and slag are released into the environment an increase and/or redistribution of natural radio-nuclide content can occur. To determine the potential impact of “energy waste” on the environment, samples of coal, ash, and slag from thermal power plant "Nikola Tesla" and "Kolubara" were meas-ured with a semiconductor HPGe spectrometer. Results of activity concentration of natural radionu-clides and artificial 137Cs in coal, slag and ash are presented in few previously published papers and obtained values are in accordance with similar worldwide investigations. o ensure the accuracy and precision (reliability) ofthe obtained measurement results, quality control (QC) and quality assurance (QA) program were established. Internal control includes check-ing of the characteristics of HPGe spectrometer used for measurement of all analysed samples. Point sources of 60Co and 137Cs are used as control sources for checking following characteristics: peak positions, net peak area, FWHMs (Full Width at Half Maximum), FWTMs (Full Width at Tenth Max-imum) and FWHM/FWTM ratios. In addition to the mentioned characteristics, the counting of back-ground is also regularly controlled. Each of the mentioned characteristics may indicate some irreg-ularity in the operation of the detector system and thus could influence reliability of performed activ-ity concentration measurements.The paper presents the control charts of the examined characteristics of the HPGe spectrometer used for measurements of coal, ash and slag samples. The obtained control charts indicate the long-term stability of the spectrometer and hence confirm accuracy and precision of measurement results.
PB  - Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku
C3  - 36. Međunarodni kongres o procesnoj industriji - PROCESING ′23 : zbornik radova
T1  - Interna kontrola kvaliteta kao značajan deo radiološke analize uzoraka iz životne sredine pomoću poluprovodničke HPGe spektrometrije
T1  - Internal Quality Control as an Important Part of Radiological Analysis of Environmental Samples Using Semiconductor HPGe Spectrometry
SP  - 309
EP  - 310
UR  - https://hdl.handle.net/21.15107/rcub_vinar_11792
ER  - 

@conference{
author = "Samolov, Aleksandra and Kandić, Aleksandar and Đurašević, Mirjana M. and Čeliković, Igor T. and Milanović, Tamara and Erić, Milić and Vukanac, Ivana",
year = "2023",
abstract = "Ugalj kao fosilno gorivo sadrži brojne prirodne radioaktivne izotope koji pripadaju uranovom i torijumovom nizu, kao i 40K. Najviše se koristi u industriji, kao i u proizvodnji energije. Problem u vezi sa proizvodnjom energije iz uglja je takozvani „energetski otpad“, kao što su pepeo i šljaka, koji predstavljaju nesagorivi i nesagoreli ostatak pri sagorevanja uglja. Ako se pepeo i šljaka odlažu u životnu sredinu, može doći do povećanja i/ili preraspodele prirodnog sadržaja radionuklida. Da bi se utvrdio potencijalni uticaj „energetskog otpada“ na životnu sredinu, uzorci uglja, pepela i šljake iz termoelektrana „Nikola Tesla“ i „Kolubara“ mereni su poluprovodničkim HPGe spektrometrom u Laboratoriji za nuklearnu i plazmu fiziku Instituta „Vinča“. Kao rezultat ovih merenja, dobijene su koncentracije prirodnih radionuklida i veštačkog radionuklida 137Cs kao, što je prikazano u ranije objavljenim radovima. Prikazani rezultati su u saglasnosti sa istraživanjima sprovedenim širom sveta.   Da bi se obezbedila tačnost i preciznost (pouzdanost) dobijenih rezultata merenja, u okviru Laboratorije uspostavljen je program kontrole kvaliteta (QC) i osiguranja kvaliteta (QA). Interna kontrola obuhvata proveru karakteristika poluprovodničkog HPGe spektrometra koji se koristi za merenje svih analiziranih uzoraka. Tačkasti izvori 60Co i 137Cs se koriste kao kontrolni izvori za proveru položaja pika, ukupne površine ispod pika, FWHM (puna širina na polovini maksimuma pika), FWTM (puna širina na desetini maksimuma pika) i odnos FWHM/FWTM. Pored navedenih karakteristika, redovno se kontroliše i ukupni odbroj prirodnog fona. Svaka od navedenih karakteristika može ukazati na neku nepravilnost u radu detektorskog sistema.   Cilj ovograda je da se prikažu kontrolne karte ispitivanih karakteristika poluprovodničkog HPGe spektrometra korišćenog za merenje uzoraka uglja, pepela i šljake. Dobijene kontrolne karte predstavljaju važan alat na osnovu kojeg se analizira dugoročna stabilnost spektrometra, eir daughter products, as well as 40K. It is widely used in industry as well as in energy pro-duction. The problems associated with the production of energy from coal is the so-called “energy waste”, such as ash and slag, which are incombustible and unburnt residue from combustion of coal. If ash and slag are released into the environment an increase and/or redistribution of natural radio-nuclide content can occur. To determine the potential impact of “energy waste” on the environment, samples of coal, ash, and slag from thermal power plant "Nikola Tesla" and "Kolubara" were meas-ured with a semiconductor HPGe spectrometer. Results of activity concentration of natural radionu-clides and artificial 137Cs in coal, slag and ash are presented in few previously published papers and obtained values are in accordance with similar worldwide investigations. o ensure the accuracy and precision (reliability) ofthe obtained measurement results, quality control (QC) and quality assurance (QA) program were established. Internal control includes check-ing of the characteristics of HPGe spectrometer used for measurement of all analysed samples. Point sources of 60Co and 137Cs are used as control sources for checking following characteristics: peak positions, net peak area, FWHMs (Full Width at Half Maximum), FWTMs (Full Width at Tenth Max-imum) and FWHM/FWTM ratios. In addition to the mentioned characteristics, the counting of back-ground is also regularly controlled. Each of the mentioned characteristics may indicate some irreg-ularity in the operation of the detector system and thus could influence reliability of performed activ-ity concentration measurements.The paper presents the control charts of the examined characteristics of the HPGe spectrometer used for measurements of coal, ash and slag samples. The obtained control charts indicate the long-term stability of the spectrometer and hence confirm accuracy and precision of measurement results.",
publisher = "Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku",
journal = "36. Međunarodni kongres o procesnoj industriji - PROCESING ′23 : zbornik radova",
title = "Interna kontrola kvaliteta kao značajan deo radiološke analize uzoraka iz životne sredine pomoću poluprovodničke HPGe spektrometrije, Internal Quality Control as an Important Part of Radiological Analysis of Environmental Samples Using Semiconductor HPGe Spectrometry",
pages = "309-310",
url = "https://hdl.handle.net/21.15107/rcub_vinar_11792"
}

Samolov, A., Kandić, A., Đurašević, M. M., Čeliković, I. T., Milanović, T., Erić, M.,& Vukanac, I.. (2023). Interna kontrola kvaliteta kao značajan deo radiološke analize uzoraka iz životne sredine pomoću poluprovodničke HPGe spektrometrije. in 36. Međunarodni kongres o procesnoj industriji - PROCESING ′23 : zbornik radova
Beograd : Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS) : Društvo za procesnu tehniku., 309-310.
https://hdl.handle.net/21.15107/rcub_vinar_11792

Samolov A, Kandić A, Đurašević MM, Čeliković IT, Milanović T, Erić M, Vukanac I. Interna kontrola kvaliteta kao značajan deo radiološke analize uzoraka iz životne sredine pomoću poluprovodničke HPGe spektrometrije. in 36. Međunarodni kongres o procesnoj industriji - PROCESING ′23 : zbornik radova. 2023;:309-310.
https://hdl.handle.net/21.15107/rcub_vinar_11792 .

Samolov, Aleksandra, Kandić, Aleksandar, Đurašević, Mirjana M., Čeliković, Igor T., Milanović, Tamara, Erić, Milić, Vukanac, Ivana, "Interna kontrola kvaliteta kao značajan deo radiološke analize uzoraka iz životne sredine pomoću poluprovodničke HPGe spektrometrije" in 36. Međunarodni kongres o procesnoj industriji - PROCESING ′23 : zbornik radova (2023):309-310,
https://hdl.handle.net/21.15107/rcub_vinar_11792 .

TY  - CONF
AU  - Samolov, Aleksandra
AU  - Kandić, Aleksandar
AU  - Đurašević, Mirjana
AU  - Čeliković, Igor
AU  - Milanović, Tamara
AU  - Vukanac, Ivana
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12179
AB  - Kontrola kvaliteta laboratorijskog procesa zauzima značajno mesto u svakodnevnom laboratorijskom radu. Obzirom na važnost, međunarodni standardi su propisali načine i zahteve za vršenje ovakve kontrole. Jedan od zahteva standarda ISO 17025 je obezbeđenje poverenja u rezultate merenja, koje se, između ostalog, može vršiti kontinuiranim praćenjem parametara karakterističnih za laboratorijsku metodu od interesa preko konstruisanja tzv. kontrolnih karti. U radu su prikazani rezultati troipogodišnje analize rada gamaspektrometrijskog sistema u Laboratoriji za nuklearnu i plazma fiziku INN „Vinča“. Merenja su vršena jednom nedeljno a kao kontrolni izvori korišćeni su tačkasti izvori Co-60 i Cs-137. Pored praćenja odbroja ispod pika, položaja pika, širine na polovini visine pika (FWHM), širine na desetini visine pika (FWTM), kao i njihovog međusobnog odnosa (FWTM/FWHM), praćen je i odbroj u fonu. Rezultati su pokazali da gamaspektrometrijski sistem ima zadovoljavajuću stabilnost u radu u dužem vremenskom periodu.
AB  - Quality control of the laboratory process plays an important role in daily laboratory work. Due to its importance, international standards have issued the ways and requirements for performing such a task. One of the requirements of the ISO 17025 standard is to ensure confidence in the measurement results, which, among other things, can be done by continuously monitoring the parameters characteristic of the laboratory method of interest through the construction of the so-called control charts. The paper presents the results of a three-and-a-half-year analysis of the gamma spectrometric system measurements in the Laboratory for Nuclear and Plasma Physics of the INN "Vinča". Measurements were made once a week and point sources Co-60 and Cs-137 were used as control sources. In addition to monitoring the count below the peak, the position of the peak, the full width at half maximum (FWHM), the full width at tenth maximum (FWTM), as well as their mutual ratio (FWTM/FWHM), the count in the background was also monitored. The results show that the gamma spectrometric system has satisfactory stability over a long period of time.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - Interna kontrola kvaliteta HPGe gamaspektrometrijskog sistema
T1  - Internal Quality Control of HPGe Gamma Spectrometry System
SP  - 232
EP  - 237
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12179
ER  - 

@conference{
author = "Samolov, Aleksandra and Kandić, Aleksandar and Đurašević, Mirjana and Čeliković, Igor and Milanović, Tamara and Vukanac, Ivana",
year = "2023",
abstract = "Kontrola kvaliteta laboratorijskog procesa zauzima značajno mesto u svakodnevnom laboratorijskom radu. Obzirom na važnost, međunarodni standardi su propisali načine i zahteve za vršenje ovakve kontrole. Jedan od zahteva standarda ISO 17025 je obezbeđenje poverenja u rezultate merenja, koje se, između ostalog, može vršiti kontinuiranim praćenjem parametara karakterističnih za laboratorijsku metodu od interesa preko konstruisanja tzv. kontrolnih karti. U radu su prikazani rezultati troipogodišnje analize rada gamaspektrometrijskog sistema u Laboratoriji za nuklearnu i plazma fiziku INN „Vinča“. Merenja su vršena jednom nedeljno a kao kontrolni izvori korišćeni su tačkasti izvori Co-60 i Cs-137. Pored praćenja odbroja ispod pika, položaja pika, širine na polovini visine pika (FWHM), širine na desetini visine pika (FWTM), kao i njihovog međusobnog odnosa (FWTM/FWHM), praćen je i odbroj u fonu. Rezultati su pokazali da gamaspektrometrijski sistem ima zadovoljavajuću stabilnost u radu u dužem vremenskom periodu., Quality control of the laboratory process plays an important role in daily laboratory work. Due to its importance, international standards have issued the ways and requirements for performing such a task. One of the requirements of the ISO 17025 standard is to ensure confidence in the measurement results, which, among other things, can be done by continuously monitoring the parameters characteristic of the laboratory method of interest through the construction of the so-called control charts. The paper presents the results of a three-and-a-half-year analysis of the gamma spectrometric system measurements in the Laboratory for Nuclear and Plasma Physics of the INN "Vinča". Measurements were made once a week and point sources Co-60 and Cs-137 were used as control sources. In addition to monitoring the count below the peak, the position of the peak, the full width at half maximum (FWHM), the full width at tenth maximum (FWTM), as well as their mutual ratio (FWTM/FWHM), the count in the background was also monitored. The results show that the gamma spectrometric system has satisfactory stability over a long period of time.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "Interna kontrola kvaliteta HPGe gamaspektrometrijskog sistema, Internal Quality Control of HPGe Gamma Spectrometry System",
pages = "232-237",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12179"
}

Samolov, A., Kandić, A., Đurašević, M., Čeliković, I., Milanović, T.,& Vukanac, I.. (2023). Interna kontrola kvaliteta HPGe gamaspektrometrijskog sistema. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 232-237.
https://hdl.handle.net/21.15107/rcub_vinar_12179

Samolov A, Kandić A, Đurašević M, Čeliković I, Milanović T, Vukanac I. Interna kontrola kvaliteta HPGe gamaspektrometrijskog sistema. in 32. simpozijum DZZSCG : zbornik radova. 2023;:232-237.
https://hdl.handle.net/21.15107/rcub_vinar_12179 .

Samolov, Aleksandra, Kandić, Aleksandar, Đurašević, Mirjana, Čeliković, Igor, Milanović, Tamara, Vukanac, Ivana, "Interna kontrola kvaliteta HPGe gamaspektrometrijskog sistema" in 32. simpozijum DZZSCG : zbornik radova (2023):232-237,
https://hdl.handle.net/21.15107/rcub_vinar_12179 .

TY  - CONF
AU  - Janković, Marija
AU  - Sarap, Nataša
AU  - Krneta Nikolić, Jelena
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
AU  - Jelić, Ivana
AU  - Šljivić-Ivanović, Marija
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12169
AB  - U radu je razmatran potencijalni odnos između dobijenih rezultata za koncentraciju tricijuma u kišnici i rekama, Savi i Dunavu, u Beogradu. Uzorkovanja su vršena svakog meseca tokom 2021. godine. Svi uzorci su koncentrisani primenom metode sa elektrolitičkim obogaćenjem, dok je za detekciju tricijuma korišćen tečni scintilacioni spektrometar. Dobijeni rezultati korišćeni su za izračunavanje količine tricijuma deponovane po m2 površine, kao i prosečnog toka tricijuma u rekama na osnovu protoka vode. Dobijena distribucija tricijuma tumačena je u skladu sa meteorološkim i hidrološkim parametrima.
AB  - The potential relationship between the obtained results for the tritium concentration in precipitation and in the Sava and Danube River in Belgrade was analyzed. Sampling was done during 2021. All samples were concentrated using the method with electrolytic enrichment, while a liquid scintillation spectrometer was used for tritium detection. The obtained results were used to calculate the amount of tritium deposited per m2 of surface as well as to estimate the average flow of tritium in rivers based on river water flow. The obtained distribution of tritium was interpreted in accordance with meteorological and hydrological parameters.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - Potencijalni odnos između koncentracije tricijuma u kišnici i rekama
T1  - Relationship Between Tritium Concentrations in Precipitation and Rivers
SP  - 80
EP  - 85
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12169
ER  - 

@conference{
author = "Janković, Marija and Sarap, Nataša and Krneta Nikolić, Jelena and Rajačić, Milica and Vukanac, Ivana and Jelić, Ivana and Šljivić-Ivanović, Marija",
year = "2023",
abstract = "U radu je razmatran potencijalni odnos između dobijenih rezultata za koncentraciju tricijuma u kišnici i rekama, Savi i Dunavu, u Beogradu. Uzorkovanja su vršena svakog meseca tokom 2021. godine. Svi uzorci su koncentrisani primenom metode sa elektrolitičkim obogaćenjem, dok je za detekciju tricijuma korišćen tečni scintilacioni spektrometar. Dobijeni rezultati korišćeni su za izračunavanje količine tricijuma deponovane po m2 površine, kao i prosečnog toka tricijuma u rekama na osnovu protoka vode. Dobijena distribucija tricijuma tumačena je u skladu sa meteorološkim i hidrološkim parametrima., The potential relationship between the obtained results for the tritium concentration in precipitation and in the Sava and Danube River in Belgrade was analyzed. Sampling was done during 2021. All samples were concentrated using the method with electrolytic enrichment, while a liquid scintillation spectrometer was used for tritium detection. The obtained results were used to calculate the amount of tritium deposited per m2 of surface as well as to estimate the average flow of tritium in rivers based on river water flow. The obtained distribution of tritium was interpreted in accordance with meteorological and hydrological parameters.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "Potencijalni odnos između koncentracije tricijuma u kišnici i rekama, Relationship Between Tritium Concentrations in Precipitation and Rivers",
pages = "80-85",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12169"
}

Janković, M., Sarap, N., Krneta Nikolić, J., Rajačić, M., Vukanac, I., Jelić, I.,& Šljivić-Ivanović, M.. (2023). Potencijalni odnos između koncentracije tricijuma u kišnici i rekama. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 80-85.
https://hdl.handle.net/21.15107/rcub_vinar_12169

Janković M, Sarap N, Krneta Nikolić J, Rajačić M, Vukanac I, Jelić I, Šljivić-Ivanović M. Potencijalni odnos između koncentracije tricijuma u kišnici i rekama. in 32. simpozijum DZZSCG : zbornik radova. 2023;:80-85.
https://hdl.handle.net/21.15107/rcub_vinar_12169 .

Janković, Marija, Sarap, Nataša, Krneta Nikolić, Jelena, Rajačić, Milica, Vukanac, Ivana, Jelić, Ivana, Šljivić-Ivanović, Marija, "Potencijalni odnos između koncentracije tricijuma u kišnici i rekama" in 32. simpozijum DZZSCG : zbornik radova (2023):80-85,
https://hdl.handle.net/21.15107/rcub_vinar_12169 .

TY  - CONF
AU  - Sarap, Nataša
AU  - Janković, Marija
AU  - Krneta Nikolić, Jelena
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
AU  - Stanić, Vojislav
AU  - Jelić, Ivana
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12170
AB  - Sprovedeno istraživanje je usmereno na analizu trenda promene ukupne alfa i ukupne beta aktivnosti u poljoprivrednom zemljištu i usevima višegodišnjeg oglednog polja. Analiza je urađena primenom akreditovane metode za određivanje ukupne alfa i ukupne beta aktivnosti u čvrstim matriksima. Merenja su obavljena u Laboratoriji za zaštitu od zračenja i zaštitu životne sredine Instituta za nuklearne nauke “Vinča” na niskofonskom gasnom proporcionalnom brojaču Thermo Eberline FHT 770T. Izmerene vrednosti ukupne alfa aktivnosti variraju od 158 Bq/kg do 324 Bq/kg i ukupne beta aktivnosti od 600 Bq/kg do 1324 Bq/kg za uzorke zemljišta. Za uzorke biljnih kultura vrednosti ukupne alfa aktivnosti su u intervalu od 5 Bq/kg do 167 Bq/kg suve materije, dok su vrednosti ukupne beta aktivnosti u intervalu od 180 Bq/kg do 584 Bq/kg suve materije. Rezultati istraživanja su značajni, jer daju osnovne radiološke informacije od vitalnog značaja za ispitivano područje. Ovo je prvi pokušaj generisanja osnovnih podataka o radijacionom opterećenju zemljišta i biljnih kultura poljoprivrednog ekosistema alfa i beta emiterima, koji su određeni skrining metodom za monitoring životnog okruženja.
AB  - The conducted research is focused on the analysis of the trend of changes in gross alpha and gross beta activity in agricultural soil and crops of perennial experimental fields. The analysis was performed using an accredited method for determining gross alpha and gross beta activity in solid matrix. The measurements were performed in the Radiation and Environmental Protection Department in Vinča Institute of nuclear Sciences on a low-level gas proportional counter Thermo Eberline FHT 770T. The measured values of gross alpha activity varied from 158 Bq/kg to 324 Bq/kg, and from 600 Bq/kg to 1324 Bq/kg for the gross beta activity in soil samples. For plant samples, values ranged from 5 Bq/kg to 167 Bq/kg of dry matter, and from 180 Bq/kg to 584 Bq/kg of dry matter for gross alpha and gross beta activity, respectively. The results of the research are significant, because they provide basic radiological information of vital importance for the investigated area. This is the first attempt to generate data base on the radiation load of soil and crops of the agricultural ecosystem with alpha and beta emitters, which were determined by the screening method for environmental monitoring.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - Analiza trenda promene ukupne alfa i ukupne beta aktivnosti u poljoprivrednom ekosistemu
T1  - Analysis of Trend of the Gross Alpha and Gross Beta Activity in the Agricultural Ecosystem
SP  - 86
EP  - 92
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12170
ER  - 

@conference{
author = "Sarap, Nataša and Janković, Marija and Krneta Nikolić, Jelena and Rajačić, Milica and Vukanac, Ivana and Stanić, Vojislav and Jelić, Ivana",
year = "2023",
abstract = "Sprovedeno istraživanje je usmereno na analizu trenda promene ukupne alfa i ukupne beta aktivnosti u poljoprivrednom zemljištu i usevima višegodišnjeg oglednog polja. Analiza je urađena primenom akreditovane metode za određivanje ukupne alfa i ukupne beta aktivnosti u čvrstim matriksima. Merenja su obavljena u Laboratoriji za zaštitu od zračenja i zaštitu životne sredine Instituta za nuklearne nauke “Vinča” na niskofonskom gasnom proporcionalnom brojaču Thermo Eberline FHT 770T. Izmerene vrednosti ukupne alfa aktivnosti variraju od 158 Bq/kg do 324 Bq/kg i ukupne beta aktivnosti od 600 Bq/kg do 1324 Bq/kg za uzorke zemljišta. Za uzorke biljnih kultura vrednosti ukupne alfa aktivnosti su u intervalu od 5 Bq/kg do 167 Bq/kg suve materije, dok su vrednosti ukupne beta aktivnosti u intervalu od 180 Bq/kg do 584 Bq/kg suve materije. Rezultati istraživanja su značajni, jer daju osnovne radiološke informacije od vitalnog značaja za ispitivano područje. Ovo je prvi pokušaj generisanja osnovnih podataka o radijacionom opterećenju zemljišta i biljnih kultura poljoprivrednog ekosistema alfa i beta emiterima, koji su određeni skrining metodom za monitoring životnog okruženja., The conducted research is focused on the analysis of the trend of changes in gross alpha and gross beta activity in agricultural soil and crops of perennial experimental fields. The analysis was performed using an accredited method for determining gross alpha and gross beta activity in solid matrix. The measurements were performed in the Radiation and Environmental Protection Department in Vinča Institute of nuclear Sciences on a low-level gas proportional counter Thermo Eberline FHT 770T. The measured values of gross alpha activity varied from 158 Bq/kg to 324 Bq/kg, and from 600 Bq/kg to 1324 Bq/kg for the gross beta activity in soil samples. For plant samples, values ranged from 5 Bq/kg to 167 Bq/kg of dry matter, and from 180 Bq/kg to 584 Bq/kg of dry matter for gross alpha and gross beta activity, respectively. The results of the research are significant, because they provide basic radiological information of vital importance for the investigated area. This is the first attempt to generate data base on the radiation load of soil and crops of the agricultural ecosystem with alpha and beta emitters, which were determined by the screening method for environmental monitoring.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "Analiza trenda promene ukupne alfa i ukupne beta aktivnosti u poljoprivrednom ekosistemu, Analysis of Trend of the Gross Alpha and Gross Beta Activity in the Agricultural Ecosystem",
pages = "86-92",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12170"
}

Sarap, N., Janković, M., Krneta Nikolić, J., Rajačić, M., Vukanac, I., Stanić, V.,& Jelić, I.. (2023). Analiza trenda promene ukupne alfa i ukupne beta aktivnosti u poljoprivrednom ekosistemu. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 86-92.
https://hdl.handle.net/21.15107/rcub_vinar_12170

Sarap N, Janković M, Krneta Nikolić J, Rajačić M, Vukanac I, Stanić V, Jelić I. Analiza trenda promene ukupne alfa i ukupne beta aktivnosti u poljoprivrednom ekosistemu. in 32. simpozijum DZZSCG : zbornik radova. 2023;:86-92.
https://hdl.handle.net/21.15107/rcub_vinar_12170 .

Sarap, Nataša, Janković, Marija, Krneta Nikolić, Jelena, Rajačić, Milica, Vukanac, Ivana, Stanić, Vojislav, Jelić, Ivana, "Analiza trenda promene ukupne alfa i ukupne beta aktivnosti u poljoprivrednom ekosistemu" in 32. simpozijum DZZSCG : zbornik radova (2023):86-92,
https://hdl.handle.net/21.15107/rcub_vinar_12170 .

TY  - CONF
AU  - Krneta Nikolić, Jelena
AU  - Lučić, Marija
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
AU  - Sarap, Nataša
AU  - Janković, Marija
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12172
AB  - U radu su prikazani rezultati ispitivanja sadržaja prirodnih radionuklida i 137Cs u 15 uzoraka lekovitog bilja sa teritorije Republike Srbije. Uzorci su nabavljeni u Institutu za istraživanje lekovitog bilja “Dr Josif Pančić” u Beogradu. Izabrani su tako da sadrže različite delove (koren, stablo ili cvet) istih biljnih vrsta da bi se uočila eventualna različita distribucija radionuklida u različitim delovima biljke. Prirodni radionuklidi 238U, 235U i 210Pb su bili ispod MDC u svim uzorcima, 226Ra je detektovan u 3, 137Cs u 5 uzoraka a 232Th u jednom uzorku. Na osnovu dobijenih rezultata, izračunata je doza ingestijom koju bi primila osoba koja pije čaj spravljen od ispitivanog lekovitog bilja, pod pretpostavkom da popije 0,2 L čaja dnevno. Ustanovljeno je da se doza ingestijom kreće u rasponu od 13,8 μSv do 32,3 μSv za 137Cs i 79,7 μSv za 226Ra, dakle daleko manje od doze od 0,1 mSv/god propisane Pravilnikom Sl. glasnik 36/18.
AB  - This manuscript presents the results of measurement of naturaly occurring radionuclides and 137Cs in 15 samples of medicinal herbes originating at the theritory of Republic of Serbia. The samples were procured from the Institute for research of medicinal herbes “Dr Josif Pančić” in Belgrade. They were chosen so that they contain various parts (roots, stem or flower) of the same plant in order to assess different distribution of the radionuclides in various plant parts. The aactivity concentration of naturaly occurring radionuclides 238U, 235U i 210Pb was below the minimal detectable concentration (MDC), 226Ra was detected in 3, 137Cs in 5 and 232Th in one sample. Based on the obtained values, ingestion dose was calculated taking into account that a person drinks 0.2L of tea per day. It is found that the ingestion dose is in the range of 13,8 μSv to 32,3 μSv for 137Cs and 79,7 μSv for 226Ra. This is well below the limit of 0.1 mSv/year recommended by the Rulebook Official Gasette 36/18.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - Sadržaj radionuklida i doza ingestijom za čajeve spravljene od lekovitog bilja sa teritorije Republike Srbije
T1  - Radionuclide Content and Ingestion Dose for Tea Made From Medicinal Herbes From the Theritory of Republic of Serbia
SP  - 116
EP  - 121
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12172
ER  - 

@conference{
author = "Krneta Nikolić, Jelena and Lučić, Marija and Rajačić, Milica and Vukanac, Ivana and Sarap, Nataša and Janković, Marija",
year = "2023",
abstract = "U radu su prikazani rezultati ispitivanja sadržaja prirodnih radionuklida i 137Cs u 15 uzoraka lekovitog bilja sa teritorije Republike Srbije. Uzorci su nabavljeni u Institutu za istraživanje lekovitog bilja “Dr Josif Pančić” u Beogradu. Izabrani su tako da sadrže različite delove (koren, stablo ili cvet) istih biljnih vrsta da bi se uočila eventualna različita distribucija radionuklida u različitim delovima biljke. Prirodni radionuklidi 238U, 235U i 210Pb su bili ispod MDC u svim uzorcima, 226Ra je detektovan u 3, 137Cs u 5 uzoraka a 232Th u jednom uzorku. Na osnovu dobijenih rezultata, izračunata je doza ingestijom koju bi primila osoba koja pije čaj spravljen od ispitivanog lekovitog bilja, pod pretpostavkom da popije 0,2 L čaja dnevno. Ustanovljeno je da se doza ingestijom kreće u rasponu od 13,8 μSv do 32,3 μSv za 137Cs i 79,7 μSv za 226Ra, dakle daleko manje od doze od 0,1 mSv/god propisane Pravilnikom Sl. glasnik 36/18., This manuscript presents the results of measurement of naturaly occurring radionuclides and 137Cs in 15 samples of medicinal herbes originating at the theritory of Republic of Serbia. The samples were procured from the Institute for research of medicinal herbes “Dr Josif Pančić” in Belgrade. They were chosen so that they contain various parts (roots, stem or flower) of the same plant in order to assess different distribution of the radionuclides in various plant parts. The aactivity concentration of naturaly occurring radionuclides 238U, 235U i 210Pb was below the minimal detectable concentration (MDC), 226Ra was detected in 3, 137Cs in 5 and 232Th in one sample. Based on the obtained values, ingestion dose was calculated taking into account that a person drinks 0.2L of tea per day. It is found that the ingestion dose is in the range of 13,8 μSv to 32,3 μSv for 137Cs and 79,7 μSv for 226Ra. This is well below the limit of 0.1 mSv/year recommended by the Rulebook Official Gasette 36/18.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "Sadržaj radionuklida i doza ingestijom za čajeve spravljene od lekovitog bilja sa teritorije Republike Srbije, Radionuclide Content and Ingestion Dose for Tea Made From Medicinal Herbes From the Theritory of Republic of Serbia",
pages = "116-121",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12172"
}

Krneta Nikolić, J., Lučić, M., Rajačić, M., Vukanac, I., Sarap, N.,& Janković, M.. (2023). Sadržaj radionuklida i doza ingestijom za čajeve spravljene od lekovitog bilja sa teritorije Republike Srbije. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 116-121.
https://hdl.handle.net/21.15107/rcub_vinar_12172

Krneta Nikolić J, Lučić M, Rajačić M, Vukanac I, Sarap N, Janković M. Sadržaj radionuklida i doza ingestijom za čajeve spravljene od lekovitog bilja sa teritorije Republike Srbije. in 32. simpozijum DZZSCG : zbornik radova. 2023;:116-121.
https://hdl.handle.net/21.15107/rcub_vinar_12172 .

Krneta Nikolić, Jelena, Lučić, Marija, Rajačić, Milica, Vukanac, Ivana, Sarap, Nataša, Janković, Marija, "Sadržaj radionuklida i doza ingestijom za čajeve spravljene od lekovitog bilja sa teritorije Republike Srbije" in 32. simpozijum DZZSCG : zbornik radova (2023):116-121,
https://hdl.handle.net/21.15107/rcub_vinar_12172 .

TY  - CONF
AU  - Sarvan, Darko
AU  - Stratimirović, Đorđe
AU  - Rajačić, Milica
AU  - Krneta Nikolić, Jelena
AU  - Vukanac, Ivana
AU  - Ajtić, Jelena
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12173
AB  - U ovom istraživanju analizirana je fraktalna priroda vremenske serije specifične aktivnosti berilijuma-7 u površinskom sloju atmosfere u Beogradu, Srbija, sa ciljem da se prouči dinamika njene samosličnosti, a s posebnim fokusom na godišnji ciklus. Korišćene su metode vejvlet analize i vremenski zavisne detrendovane pokretne srednje vrednosti radi identifikacije karakterističnih intervala i procene Hurstovih eksponenata. Podaci o specifičnoj aktivnosti berilijuma-7 preuzeti su iz GRAMON baze podataka, za lokaciju Beograd (44,88 °N; 20,58 °E; 95 m nadmorske visine). Vremenska serija obuhvata 362 mesečna merenja od 1991. do 2022. godine. Rezultati ukazuju na postojanje izraženog godišnjeg ciklusa u ovoj vremenskoj seriji. Takođe, promene u lokalnom Hurstovom eksponentu otkrivaju varijacije u ponašanju vremenske serije – ona iz umereno korelisanog prelazi u izrazito antikorelisan proces između 2015. i 2020. godine. Ovaj rezultat biće predmet šire analize koja uključuje i druge lokacije iz GRAMON baze podataka.
AB  - This research analyzes the fractal nature of the beryllium-7 specific activity time series in the near-surface layer of the atmosphere in Belgrade, Serbia. The aim was to study the dynamics of self-similarity in this series, with a particular focus on the annual cycle. Wavelet analysis and time-dependent detrended moving averages were used to identify characteristic intervals and estimate Hurst exponents. The data on specific activity of beryllium-7 were obtained from the GRAMON database for the location of Belgrade (44.88 °N; 20.58 °E; 95 m a.s.l.). The time series comprises 362 monthly measurements between February 1991 and December 2022. The results indicate a pronounced annual cycle in this time series. Moreover, changes in the local Hurst exponent reveal variations in the behavior of the time series, transitioning from moderately correlated to highly anti-correlated process between 2015. and 2020. This finding will be a subject of a further analysis including other locations from the GRAMON database.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - Analiza fraktalne prirode specifične aktivnosti berilijuma-7 u prizemnom sloju atmosfere merene u Beogradu, Srbija (1991-2022)
T1  - Analysis of the Fractal Nature of the Specific Activity of Beryllium-7 in the Near-Surface Layer of the Atmosphere Measured in Belgrade, Serbia (1991–2022)
SP  - 122
EP  - 127
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12173
ER  - 

@conference{
author = "Sarvan, Darko and Stratimirović, Đorđe and Rajačić, Milica and Krneta Nikolić, Jelena and Vukanac, Ivana and Ajtić, Jelena",
year = "2023",
abstract = "U ovom istraživanju analizirana je fraktalna priroda vremenske serije specifične aktivnosti berilijuma-7 u površinskom sloju atmosfere u Beogradu, Srbija, sa ciljem da se prouči dinamika njene samosličnosti, a s posebnim fokusom na godišnji ciklus. Korišćene su metode vejvlet analize i vremenski zavisne detrendovane pokretne srednje vrednosti radi identifikacije karakterističnih intervala i procene Hurstovih eksponenata. Podaci o specifičnoj aktivnosti berilijuma-7 preuzeti su iz GRAMON baze podataka, za lokaciju Beograd (44,88 °N; 20,58 °E; 95 m nadmorske visine). Vremenska serija obuhvata 362 mesečna merenja od 1991. do 2022. godine. Rezultati ukazuju na postojanje izraženog godišnjeg ciklusa u ovoj vremenskoj seriji. Takođe, promene u lokalnom Hurstovom eksponentu otkrivaju varijacije u ponašanju vremenske serije – ona iz umereno korelisanog prelazi u izrazito antikorelisan proces između 2015. i 2020. godine. Ovaj rezultat biće predmet šire analize koja uključuje i druge lokacije iz GRAMON baze podataka., This research analyzes the fractal nature of the beryllium-7 specific activity time series in the near-surface layer of the atmosphere in Belgrade, Serbia. The aim was to study the dynamics of self-similarity in this series, with a particular focus on the annual cycle. Wavelet analysis and time-dependent detrended moving averages were used to identify characteristic intervals and estimate Hurst exponents. The data on specific activity of beryllium-7 were obtained from the GRAMON database for the location of Belgrade (44.88 °N; 20.58 °E; 95 m a.s.l.). The time series comprises 362 monthly measurements between February 1991 and December 2022. The results indicate a pronounced annual cycle in this time series. Moreover, changes in the local Hurst exponent reveal variations in the behavior of the time series, transitioning from moderately correlated to highly anti-correlated process between 2015. and 2020. This finding will be a subject of a further analysis including other locations from the GRAMON database.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "Analiza fraktalne prirode specifične aktivnosti berilijuma-7 u prizemnom sloju atmosfere merene u Beogradu, Srbija (1991-2022), Analysis of the Fractal Nature of the Specific Activity of Beryllium-7 in the Near-Surface Layer of the Atmosphere Measured in Belgrade, Serbia (1991–2022)",
pages = "122-127",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12173"
}

Sarvan, D., Stratimirović, Đ., Rajačić, M., Krneta Nikolić, J., Vukanac, I.,& Ajtić, J.. (2023). Analiza fraktalne prirode specifične aktivnosti berilijuma-7 u prizemnom sloju atmosfere merene u Beogradu, Srbija (1991-2022). in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 122-127.
https://hdl.handle.net/21.15107/rcub_vinar_12173

Sarvan D, Stratimirović Đ, Rajačić M, Krneta Nikolić J, Vukanac I, Ajtić J. Analiza fraktalne prirode specifične aktivnosti berilijuma-7 u prizemnom sloju atmosfere merene u Beogradu, Srbija (1991-2022). in 32. simpozijum DZZSCG : zbornik radova. 2023;:122-127.
https://hdl.handle.net/21.15107/rcub_vinar_12173 .

Sarvan, Darko, Stratimirović, Đorđe, Rajačić, Milica, Krneta Nikolić, Jelena, Vukanac, Ivana, Ajtić, Jelena, "Analiza fraktalne prirode specifične aktivnosti berilijuma-7 u prizemnom sloju atmosfere merene u Beogradu, Srbija (1991-2022)" in 32. simpozijum DZZSCG : zbornik radova (2023):122-127,
https://hdl.handle.net/21.15107/rcub_vinar_12173 .

TY  - CONF
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
AU  - Krneta Nikolić, Jelena
AU  - Sarap, Nataša
AU  - Janković, Marija
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12175
AB  - Pitanje kojim se ovaj rad bavi je: “Kako predstaviti “dan uzorkovanja” kod vremenski kompozitnih uzoraka?”. Izbor referentnog datuma koji će predstaviti “dan uzorkovanja” je stvar dogovora, ali rezultati aktivnosti ispitanog radionuklida dati na različite referentne datume suštinski nisu međusobno poredivi. Cilj je bio da se ispita na koji dan korigovana izmerena aktivnost (Ar) najpribližnije određuje ukupnu dnevnu aktivnost svih uzorka na dan njihovog uzorkovanja (Au). Ispostavlja se da dan kada je razlika ove dve aktivnosi (Δ) minimalna zavisi od više faktora: ukupne vrednosti dnevnih aktivnosti (Au), vremenske raspodele dnevnih vrednosti (homogenost), dužine perioda sakupljanja (D) i vremena poluraspada posmatranog radionuklida (T1/2). Shodno tome, u radu je praćeno kako promena navedenih parametara utiče na promenu optimalnog referentnog datuma za koji je vrednost Δ minimalna (dan r). Rezultati pokazuju izvestan nivo pravilnosti kod homogenih uzoraka, međutim nehomogenost dnevnih aktivnosti, što je slučaj u realnosti, ima veliki uticaj na promenu optimalnog referentnog datuma, ali za sada bez utvrđenih pravilnosti.
AB  - The question that this paper deals with is: "How to present the "sampling day" in temporal composite samples?". The choice of the reference data that will represent the "sampling day" is a matter of agreement, but the results of the activity of the tested radionuclide given on different reference dates are essentially not mutually comparable. The aim of the paper was to examine on which day the corrected measured activity (Ar) most closely determines the total daily activity of all samples on the day of their sampling (Au). It turns out that the day when the difference between these two activities (Δ) is minimal depends on several factors: the total value of daily activities (Au), the temporal distribution of daily values (homogeneity), the length of the collection period (D) and the half-life of the observed radionuclide (T1/2 ). Accordingly, the influence of the variation of mentioned parameters on the change of the optimal reference date for which the value of Δ is minimal (day r) is presented in this paper. The results show some level of regularity in homogeneous samples, however, the inhomogeneity of daily activities, which is the case in reality, has a great influence on the change of the optimal reference date, but for now, without established consistency.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - Izbor referentnog datuma za prezentovanje aktivnosti radionuklida u vremenski kompozitnim uzorcima
T1  - Selection of Reference Date for Presentation of Radionuclide Activity in Time-Composite Samples
SP  - 137
EP  - 142
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12175
ER  - 

@conference{
author = "Rajačić, Milica and Vukanac, Ivana and Krneta Nikolić, Jelena and Sarap, Nataša and Janković, Marija",
year = "2023",
abstract = "Pitanje kojim se ovaj rad bavi je: “Kako predstaviti “dan uzorkovanja” kod vremenski kompozitnih uzoraka?”. Izbor referentnog datuma koji će predstaviti “dan uzorkovanja” je stvar dogovora, ali rezultati aktivnosti ispitanog radionuklida dati na različite referentne datume suštinski nisu međusobno poredivi. Cilj je bio da se ispita na koji dan korigovana izmerena aktivnost (Ar) najpribližnije određuje ukupnu dnevnu aktivnost svih uzorka na dan njihovog uzorkovanja (Au). Ispostavlja se da dan kada je razlika ove dve aktivnosi (Δ) minimalna zavisi od više faktora: ukupne vrednosti dnevnih aktivnosti (Au), vremenske raspodele dnevnih vrednosti (homogenost), dužine perioda sakupljanja (D) i vremena poluraspada posmatranog radionuklida (T1/2). Shodno tome, u radu je praćeno kako promena navedenih parametara utiče na promenu optimalnog referentnog datuma za koji je vrednost Δ minimalna (dan r). Rezultati pokazuju izvestan nivo pravilnosti kod homogenih uzoraka, međutim nehomogenost dnevnih aktivnosti, što je slučaj u realnosti, ima veliki uticaj na promenu optimalnog referentnog datuma, ali za sada bez utvrđenih pravilnosti., The question that this paper deals with is: "How to present the "sampling day" in temporal composite samples?". The choice of the reference data that will represent the "sampling day" is a matter of agreement, but the results of the activity of the tested radionuclide given on different reference dates are essentially not mutually comparable. The aim of the paper was to examine on which day the corrected measured activity (Ar) most closely determines the total daily activity of all samples on the day of their sampling (Au). It turns out that the day when the difference between these two activities (Δ) is minimal depends on several factors: the total value of daily activities (Au), the temporal distribution of daily values (homogeneity), the length of the collection period (D) and the half-life of the observed radionuclide (T1/2 ). Accordingly, the influence of the variation of mentioned parameters on the change of the optimal reference date for which the value of Δ is minimal (day r) is presented in this paper. The results show some level of regularity in homogeneous samples, however, the inhomogeneity of daily activities, which is the case in reality, has a great influence on the change of the optimal reference date, but for now, without established consistency.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "Izbor referentnog datuma za prezentovanje aktivnosti radionuklida u vremenski kompozitnim uzorcima, Selection of Reference Date for Presentation of Radionuclide Activity in Time-Composite Samples",
pages = "137-142",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12175"
}

Rajačić, M., Vukanac, I., Krneta Nikolić, J., Sarap, N.,& Janković, M.. (2023). Izbor referentnog datuma za prezentovanje aktivnosti radionuklida u vremenski kompozitnim uzorcima. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 137-142.
https://hdl.handle.net/21.15107/rcub_vinar_12175

Rajačić M, Vukanac I, Krneta Nikolić J, Sarap N, Janković M. Izbor referentnog datuma za prezentovanje aktivnosti radionuklida u vremenski kompozitnim uzorcima. in 32. simpozijum DZZSCG : zbornik radova. 2023;:137-142.
https://hdl.handle.net/21.15107/rcub_vinar_12175 .

Rajačić, Milica, Vukanac, Ivana, Krneta Nikolić, Jelena, Sarap, Nataša, Janković, Marija, "Izbor referentnog datuma za prezentovanje aktivnosti radionuklida u vremenski kompozitnim uzorcima" in 32. simpozijum DZZSCG : zbornik radova (2023):137-142,
https://hdl.handle.net/21.15107/rcub_vinar_12175 .

TY  - CONF
AU  - Vukanac, Ivana
AU  - Đurašević, Mirjana
AU  - Rajačić, Milica
AU  - Krneta Nikolić, Jelena
AU  - Sarap, Nataša
AU  - Janković, Marija
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12182
AB  - Rutinska merenja uzoraka iz životne sredine gama spektrometrijom zahtevaju pripremu radioaktivnih standarda različitih matriksa. Radioaktivni standardi se koriste u svim fazama procesa merenja, uključujući validaciju metoda, kalibraciju i kontrolu kvaliteta. U Laboratoriji za Zaštitu od zračenja i zaštitu životne sredine, Instituta za nuklearne nauke „Vinča” radioaktivni standardi se pripremaju korišćenjem sertifikovanog radioaktivnog rastvora različitih radionuklida. U ovom radu je opisan postupak pripreme radioaktivnih standarda koji obuhvata izbor matriksa, pripremu i spajkovanje pripremljenih matriksa sa sertifikovanim radioaktivnim rastvorom, proveru homogenosti, pakovanje standarda u odgovarajuću geometriju i njihova merenja u kontakt geometriji na gama spektrometru. Za sve materijale matriksa pripremljeni su i uzorci „blenka“ i mereni u istoj geometriji kao i kalibracioni standardi. Nakon analize snimljenih spektara, fitovanjem datih tačaka efikasnosti dobijene su kalibracione krive. U ovom radu dat je i opis budžeta merne nesigurnosti za aktivnosti radionuklida prisutnih u pripremljenim standardima.
AB  - The routine measurements of environmental samples using gamma-ray spectrometry indicate the needs for preparing radioactive standards for various matrices. The radioactive standards are used in all phases of the measurement process, including method validation, calibration and quality control. In the Radiation and Environmental Protection Departmen in the "Vinča" Institute of Nuclear Sciences, radioactive standards are prepared using a certified radioactive solution of mixed radionuclides. The procedure for radioactive standards preparation, which includes matrix selection and preparation, spiking with a certified radioactive solution, homogeneity check, matrix packing in the appropriate geometry and measurement of the prepared standards using a gamma spectrometer, is described in this paper. For all matrix materials, "blank" samples were prepared in the same manner as the standard materials and measured in the same geometry as the calibration samples. After the analysis of recorded spectra and evaluation of the obtained data for efficiency at given energies, calibration curves were obtained by fitting. The uncertainty budget of the activity for all radionuclides present in the prepared standards is also defined in this paper.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - Priprema radioaktivnih standarda za kalibraciju gama spektrometara
T1  - Preparation of Radioactive Standards for Calibration of Gamma Spectrometer
SP  - 272
EP  - 279
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12182
ER  - 

@conference{
author = "Vukanac, Ivana and Đurašević, Mirjana and Rajačić, Milica and Krneta Nikolić, Jelena and Sarap, Nataša and Janković, Marija",
year = "2023",
abstract = "Rutinska merenja uzoraka iz životne sredine gama spektrometrijom zahtevaju pripremu radioaktivnih standarda različitih matriksa. Radioaktivni standardi se koriste u svim fazama procesa merenja, uključujući validaciju metoda, kalibraciju i kontrolu kvaliteta. U Laboratoriji za Zaštitu od zračenja i zaštitu životne sredine, Instituta za nuklearne nauke „Vinča” radioaktivni standardi se pripremaju korišćenjem sertifikovanog radioaktivnog rastvora različitih radionuklida. U ovom radu je opisan postupak pripreme radioaktivnih standarda koji obuhvata izbor matriksa, pripremu i spajkovanje pripremljenih matriksa sa sertifikovanim radioaktivnim rastvorom, proveru homogenosti, pakovanje standarda u odgovarajuću geometriju i njihova merenja u kontakt geometriji na gama spektrometru. Za sve materijale matriksa pripremljeni su i uzorci „blenka“ i mereni u istoj geometriji kao i kalibracioni standardi. Nakon analize snimljenih spektara, fitovanjem datih tačaka efikasnosti dobijene su kalibracione krive. U ovom radu dat je i opis budžeta merne nesigurnosti za aktivnosti radionuklida prisutnih u pripremljenim standardima., The routine measurements of environmental samples using gamma-ray spectrometry indicate the needs for preparing radioactive standards for various matrices. The radioactive standards are used in all phases of the measurement process, including method validation, calibration and quality control. In the Radiation and Environmental Protection Departmen in the "Vinča" Institute of Nuclear Sciences, radioactive standards are prepared using a certified radioactive solution of mixed radionuclides. The procedure for radioactive standards preparation, which includes matrix selection and preparation, spiking with a certified radioactive solution, homogeneity check, matrix packing in the appropriate geometry and measurement of the prepared standards using a gamma spectrometer, is described in this paper. For all matrix materials, "blank" samples were prepared in the same manner as the standard materials and measured in the same geometry as the calibration samples. After the analysis of recorded spectra and evaluation of the obtained data for efficiency at given energies, calibration curves were obtained by fitting. The uncertainty budget of the activity for all radionuclides present in the prepared standards is also defined in this paper.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "Priprema radioaktivnih standarda za kalibraciju gama spektrometara, Preparation of Radioactive Standards for Calibration of Gamma Spectrometer",
pages = "272-279",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12182"
}

Vukanac, I., Đurašević, M., Rajačić, M., Krneta Nikolić, J., Sarap, N.,& Janković, M.. (2023). Priprema radioaktivnih standarda za kalibraciju gama spektrometara. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 272-279.
https://hdl.handle.net/21.15107/rcub_vinar_12182

Vukanac I, Đurašević M, Rajačić M, Krneta Nikolić J, Sarap N, Janković M. Priprema radioaktivnih standarda za kalibraciju gama spektrometara. in 32. simpozijum DZZSCG : zbornik radova. 2023;:272-279.
https://hdl.handle.net/21.15107/rcub_vinar_12182 .

Vukanac, Ivana, Đurašević, Mirjana, Rajačić, Milica, Krneta Nikolić, Jelena, Sarap, Nataša, Janković, Marija, "Priprema radioaktivnih standarda za kalibraciju gama spektrometara" in 32. simpozijum DZZSCG : zbornik radova (2023):272-279,
https://hdl.handle.net/21.15107/rcub_vinar_12182 .

TY  - CONF
AU  - Janković, Marija
AU  - Sarap, Nataša
AU  - Waisi, Hadi
AU  - Krneta Nikolić, Jelena
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
AU  - Veljković, Filip
AU  - Janković, Bojan
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12358
AB  - This paper presents the results for gross alpha and gross beta activity in leaves samples: Fig (Ficus carica), Vine (Vitis vinifera L.), and Apricot (Prunus armeniaca). Samples were collected in Iraq (Sulaymaniyah, Kurdistan region), and in the Serbia (Belgrade), in the summer 2018. The analysis was done in dried and milled samples as well as in the annealed samples, using gas flow proportional counter. Determination of gross alpha and gross beta activity presents rapid method, essential for the analysis of radioactivity in environmental samples. The gross alpha activity is defines as the total activity of alpha emitters, and originates from the decay chains of 238U and 232Th, which quantity depends on the geological and geographical formation of natural radionuclides. The main contributor to the gross beta activity is natural long-lived isotope 40K, as well as 210Pb, 228Ra. The gross beta measurements also include a contribution from anthropogenic radionuclides 137Cs and 90Sr. Radionuclides that emitting low-energy beta radiation (3 H and gaseous or volatile radionuclide such as iodine) cannot be detected by gross beta activity measurements.
PB  - Belgrade : University „Union-Nikola Tesla”
C3  - 3rd International Conference on Sustainable Environment and Technologies “Creating Sustainable CommUNiTy” : Proceedings
T1  - Gross alpha and gross beta activity in leaves (Fig, Apricot and Wine)
SP  - 309
EP  - 314
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12358
ER  - 

@conference{
author = "Janković, Marija and Sarap, Nataša and Waisi, Hadi and Krneta Nikolić, Jelena and Rajačić, Milica and Vukanac, Ivana and Veljković, Filip and Janković, Bojan",
year = "2023",
abstract = "This paper presents the results for gross alpha and gross beta activity in leaves samples: Fig (Ficus carica), Vine (Vitis vinifera L.), and Apricot (Prunus armeniaca). Samples were collected in Iraq (Sulaymaniyah, Kurdistan region), and in the Serbia (Belgrade), in the summer 2018. The analysis was done in dried and milled samples as well as in the annealed samples, using gas flow proportional counter. Determination of gross alpha and gross beta activity presents rapid method, essential for the analysis of radioactivity in environmental samples. The gross alpha activity is defines as the total activity of alpha emitters, and originates from the decay chains of 238U and 232Th, which quantity depends on the geological and geographical formation of natural radionuclides. The main contributor to the gross beta activity is natural long-lived isotope 40K, as well as 210Pb, 228Ra. The gross beta measurements also include a contribution from anthropogenic radionuclides 137Cs and 90Sr. Radionuclides that emitting low-energy beta radiation (3 H and gaseous or volatile radionuclide such as iodine) cannot be detected by gross beta activity measurements.",
publisher = "Belgrade : University „Union-Nikola Tesla”",
journal = "3rd International Conference on Sustainable Environment and Technologies “Creating Sustainable CommUNiTy” : Proceedings",
title = "Gross alpha and gross beta activity in leaves (Fig, Apricot and Wine)",
pages = "309-314",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12358"
}

Janković, M., Sarap, N., Waisi, H., Krneta Nikolić, J., Rajačić, M., Vukanac, I., Veljković, F.,& Janković, B.. (2023). Gross alpha and gross beta activity in leaves (Fig, Apricot and Wine). in 3rd International Conference on Sustainable Environment and Technologies “Creating Sustainable CommUNiTy” : Proceedings
Belgrade : University „Union-Nikola Tesla”., 309-314.
https://hdl.handle.net/21.15107/rcub_vinar_12358

Janković M, Sarap N, Waisi H, Krneta Nikolić J, Rajačić M, Vukanac I, Veljković F, Janković B. Gross alpha and gross beta activity in leaves (Fig, Apricot and Wine). in 3rd International Conference on Sustainable Environment and Technologies “Creating Sustainable CommUNiTy” : Proceedings. 2023;:309-314.
https://hdl.handle.net/21.15107/rcub_vinar_12358 .

Janković, Marija, Sarap, Nataša, Waisi, Hadi, Krneta Nikolić, Jelena, Rajačić, Milica, Vukanac, Ivana, Veljković, Filip, Janković, Bojan, "Gross alpha and gross beta activity in leaves (Fig, Apricot and Wine)" in 3rd International Conference on Sustainable Environment and Technologies “Creating Sustainable CommUNiTy” : Proceedings (2023):309-314,
https://hdl.handle.net/21.15107/rcub_vinar_12358 .

TY  - CONF
AU  - Janković, Marija
AU  - Sarap, Nataša
AU  - Krneta Nikolić, Jelena
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
AU  - Šljivić-Ivanović, Marija
AU  - Janković, Bojan
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12359
AB  - Determination of specific activity concentration of radioisotopes in environmental samples can be used to assess the long-term kinetics of the decline of radioisotopes. Based on the obtained activity concentrations of tritium in the Danube, the effective ecological half-life is estimated. Assuming that the Danube in Belgrade is not affected by nuclear power plants, even though it is positioned downstream of the Paks Nuclear Power Plant in Hungary, a slow decline of tritium was observed. The effective ecological half-life of tritium was also determined after correction by subtracting its components originating from cosmic radiation and the atmospheric transfer from nuclear facilities worldwide.
PB  - Belgrade : ETRAN Society
PB  - Belgrade : Academic Mind
C3  - IcETRAN 2023 : 10th Jubilee International Conference IcETRAN : Proceedings
T1  - Effective ecological half-life of tritium in Danube - Kinetic approach
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12359
ER  - 

@conference{
author = "Janković, Marija and Sarap, Nataša and Krneta Nikolić, Jelena and Rajačić, Milica and Vukanac, Ivana and Šljivić-Ivanović, Marija and Janković, Bojan",
year = "2023",
abstract = "Determination of specific activity concentration of radioisotopes in environmental samples can be used to assess the long-term kinetics of the decline of radioisotopes. Based on the obtained activity concentrations of tritium in the Danube, the effective ecological half-life is estimated. Assuming that the Danube in Belgrade is not affected by nuclear power plants, even though it is positioned downstream of the Paks Nuclear Power Plant in Hungary, a slow decline of tritium was observed. The effective ecological half-life of tritium was also determined after correction by subtracting its components originating from cosmic radiation and the atmospheric transfer from nuclear facilities worldwide.",
publisher = "Belgrade : ETRAN Society, Belgrade : Academic Mind",
journal = "IcETRAN 2023 : 10th Jubilee International Conference IcETRAN : Proceedings",
title = "Effective ecological half-life of tritium in Danube - Kinetic approach",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12359"
}

Janković, M., Sarap, N., Krneta Nikolić, J., Rajačić, M., Vukanac, I., Šljivić-Ivanović, M.,& Janković, B.. (2023). Effective ecological half-life of tritium in Danube - Kinetic approach. in IcETRAN 2023 : 10th Jubilee International Conference IcETRAN : Proceedings
Belgrade : ETRAN Society..
https://hdl.handle.net/21.15107/rcub_vinar_12359

Janković M, Sarap N, Krneta Nikolić J, Rajačić M, Vukanac I, Šljivić-Ivanović M, Janković B. Effective ecological half-life of tritium in Danube - Kinetic approach. in IcETRAN 2023 : 10th Jubilee International Conference IcETRAN : Proceedings. 2023;.
https://hdl.handle.net/21.15107/rcub_vinar_12359 .

Janković, Marija, Sarap, Nataša, Krneta Nikolić, Jelena, Rajačić, Milica, Vukanac, Ivana, Šljivić-Ivanović, Marija, Janković, Bojan, "Effective ecological half-life of tritium in Danube - Kinetic approach" in IcETRAN 2023 : 10th Jubilee International Conference IcETRAN : Proceedings (2023),
https://hdl.handle.net/21.15107/rcub_vinar_12359 .

TY  - CONF
AU  - Janković, Marija
AU  - Krneta Nikolić, Jelena
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
AU  - Šljivić-Ivanović, Marija
AU  - Jelić, Ivana
AU  - Waisi, Hadi
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12574
AB  - This paper presents distribution and seasonal variations of tritium, radioactive isotope of hydrogen, in Sava River in Belgrade. Tritium besides its natural origin also has an artificial origin, through human activity including the operation of nuclear power plants, nuclear weapons manufacturing and atomic bomb tests. Knowing the concentration of tritium in the Sava River in Belgrade is important because it is located downstream from the Krško Nuclear Power Plant in Slovenia. Analysis of tritium concentrations in surface water samples were done in composite monthly samples during 2017-2022. Tritium activity was determined by liquid scintillation spectrometer using electrolytic enrichment. Seasonal variations were estimated by determination of average monthly concentrations and seasonal indices.
PB  - Belgrade : University „Union-Nikola Tesla”
C3  - 3rd International Conference on Sustainable Environment and Technologies “Creating Sustainable CommUNiTy” : Proceedings
T1  - Seasonal variations of 3H in Sava river
SP  - 81
EP  - 87
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12574
ER  - 

@conference{
author = "Janković, Marija and Krneta Nikolić, Jelena and Rajačić, Milica and Vukanac, Ivana and Šljivić-Ivanović, Marija and Jelić, Ivana and Waisi, Hadi",
year = "2023",
abstract = "This paper presents distribution and seasonal variations of tritium, radioactive isotope of hydrogen, in Sava River in Belgrade. Tritium besides its natural origin also has an artificial origin, through human activity including the operation of nuclear power plants, nuclear weapons manufacturing and atomic bomb tests. Knowing the concentration of tritium in the Sava River in Belgrade is important because it is located downstream from the Krško Nuclear Power Plant in Slovenia. Analysis of tritium concentrations in surface water samples were done in composite monthly samples during 2017-2022. Tritium activity was determined by liquid scintillation spectrometer using electrolytic enrichment. Seasonal variations were estimated by determination of average monthly concentrations and seasonal indices.",
publisher = "Belgrade : University „Union-Nikola Tesla”",
journal = "3rd International Conference on Sustainable Environment and Technologies “Creating Sustainable CommUNiTy” : Proceedings",
title = "Seasonal variations of 3H in Sava river",
pages = "81-87",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12574"
}

Janković, M., Krneta Nikolić, J., Rajačić, M., Vukanac, I., Šljivić-Ivanović, M., Jelić, I.,& Waisi, H.. (2023). Seasonal variations of 3H in Sava river. in 3rd International Conference on Sustainable Environment and Technologies “Creating Sustainable CommUNiTy” : Proceedings
Belgrade : University „Union-Nikola Tesla”., 81-87.
https://hdl.handle.net/21.15107/rcub_vinar_12574

Janković M, Krneta Nikolić J, Rajačić M, Vukanac I, Šljivić-Ivanović M, Jelić I, Waisi H. Seasonal variations of 3H in Sava river. in 3rd International Conference on Sustainable Environment and Technologies “Creating Sustainable CommUNiTy” : Proceedings. 2023;:81-87.
https://hdl.handle.net/21.15107/rcub_vinar_12574 .

Janković, Marija, Krneta Nikolić, Jelena, Rajačić, Milica, Vukanac, Ivana, Šljivić-Ivanović, Marija, Jelić, Ivana, Waisi, Hadi, "Seasonal variations of 3H in Sava river" in 3rd International Conference on Sustainable Environment and Technologies “Creating Sustainable CommUNiTy” : Proceedings (2023):81-87,
https://hdl.handle.net/21.15107/rcub_vinar_12574 .

TY  - CONF
AU  - Krneta Nikolić, Jelena
AU  - Janković, Marija
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
AU  - Sarap, Nataša
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12577
AB  - As a part of regular activities of the accredited laboratory, the Laboratory for Radiation Measurements of the Radiation and Environmental Protection Department, Institute Vinča, every year takes part in the proficiency tests organized by IAEA. This year, within the framework of IAEA – TERC – 2022 – 01/02 Proficiency Test, one of the requests was to measure the simulated surface contamination using the instrument that are at the disposal in the participant laboratories. The results should be reported in the units of counts/s/cm2 in order to be comparable. In this paper, the measurement method and subsequent specific calculations for the simulated surface contamination are explained and the results of the proficiency test stated and discussed.
PB  - Belgrade : ETRAN Society
PB  - Belgrade : Academic Mind
C3  - IcETRAN 2023 : 10th Jubilee International Conference IcETRAN : Proceedings
T1  - Simulated Surface Contamination Measurement for the IAEA-TERC-2022-01/02 Proficiency Test
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12577
ER  - 

@conference{
author = "Krneta Nikolić, Jelena and Janković, Marija and Rajačić, Milica and Vukanac, Ivana and Sarap, Nataša",
year = "2023",
abstract = "As a part of regular activities of the accredited laboratory, the Laboratory for Radiation Measurements of the Radiation and Environmental Protection Department, Institute Vinča, every year takes part in the proficiency tests organized by IAEA. This year, within the framework of IAEA – TERC – 2022 – 01/02 Proficiency Test, one of the requests was to measure the simulated surface contamination using the instrument that are at the disposal in the participant laboratories. The results should be reported in the units of counts/s/cm2 in order to be comparable. In this paper, the measurement method and subsequent specific calculations for the simulated surface contamination are explained and the results of the proficiency test stated and discussed.",
publisher = "Belgrade : ETRAN Society, Belgrade : Academic Mind",
journal = "IcETRAN 2023 : 10th Jubilee International Conference IcETRAN : Proceedings",
title = "Simulated Surface Contamination Measurement for the IAEA-TERC-2022-01/02 Proficiency Test",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12577"
}

Krneta Nikolić, J., Janković, M., Rajačić, M., Vukanac, I.,& Sarap, N.. (2023). Simulated Surface Contamination Measurement for the IAEA-TERC-2022-01/02 Proficiency Test. in IcETRAN 2023 : 10th Jubilee International Conference IcETRAN : Proceedings
Belgrade : ETRAN Society..
https://hdl.handle.net/21.15107/rcub_vinar_12577

Krneta Nikolić J, Janković M, Rajačić M, Vukanac I, Sarap N. Simulated Surface Contamination Measurement for the IAEA-TERC-2022-01/02 Proficiency Test. in IcETRAN 2023 : 10th Jubilee International Conference IcETRAN : Proceedings. 2023;.
https://hdl.handle.net/21.15107/rcub_vinar_12577 .

Krneta Nikolić, Jelena, Janković, Marija, Rajačić, Milica, Vukanac, Ivana, Sarap, Nataša, "Simulated Surface Contamination Measurement for the IAEA-TERC-2022-01/02 Proficiency Test" in IcETRAN 2023 : 10th Jubilee International Conference IcETRAN : Proceedings (2023),
https://hdl.handle.net/21.15107/rcub_vinar_12577 .

TY  - CONF
AU  - Janković, Bojan
AU  - Janković, Marija
AU  - Krneta Nikolić, Jelena
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
AU  - Sarap, Nataša
AU  - Manić, Nebojša
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12589
AB  - In this work, the thermal decomposition process of coal bottom ash (collected after lignitecombustion in coal-fired power plant “Kostolac B” (TEKO-B), Serbia) was investigated, usingsimultaneous TG (thermogravimetry) – DTG (derivative thermogravimetry) techniquesin an inert (Ar) atmosphere, at various heating rates (10.3, 20.9 and 32.1 K/min). In additionto thermal characterization of the sample, the chemical composition and naturally occurredradionuclides were also determined. Using the model-free (isoconversional) (by Friedman(FR), Kissinger-Akahira-Sunose (KAS), Ozawa-Flynn-Wall (OFW) and Vyazovkin (VY)methods) analysis, the complex kinetic nature of the process was successfully resolved. Theconducted numerical optimization of the process (using non-linear least square optimization)had confirmed accuracy and reliability of estimated kinetic parameters. Model-based(model-fitting) kinetic analysis showed the existence of a complex reaction scheme, overtwo consecutive reactions steps and one single-stage reaction step, via mechanism order An,F2, Fn, R3, Cnm (through n-dimensional nucleation/growth, chemical reactions, and n-thorder and m-power with autocatalysis mechanisms). Through physicochemical interpretationof mechanism scheme, an assessment of recovery of valuable metals and metal oxides wasperformed, by analysing the concentration of reaction species in a function of temperature ofindividual steps. Likewise, the influence of certain precursor involved in decomposition processas catalyst (in order to increase the yield of targeted product) was also inspected. Finally,the simulation of actual process using the results obtained from applied methods/models wasperformed, through application of modulated dynamic (MD) prediction.
PB  - Budapest : Akadémiai Kiadó
C3  - JTACC 2023 : 3rd Journal of Thermal Analysis and Calorimetry Conference and 9th V4 (Joint Czech-Hungarian-Polish-Slovakian) Thermoanalytical Conference : Book of asbtracts
T1  - Recovering of metals and metal oxides through thermal decomposition process of coal bottom ash: a comprehensive kinetic analysis
SP  - 263
EP  - 263
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12589
ER  - 

@conference{
author = "Janković, Bojan and Janković, Marija and Krneta Nikolić, Jelena and Rajačić, Milica and Vukanac, Ivana and Sarap, Nataša and Manić, Nebojša",
year = "2023",
abstract = "In this work, the thermal decomposition process of coal bottom ash (collected after lignitecombustion in coal-fired power plant “Kostolac B” (TEKO-B), Serbia) was investigated, usingsimultaneous TG (thermogravimetry) – DTG (derivative thermogravimetry) techniquesin an inert (Ar) atmosphere, at various heating rates (10.3, 20.9 and 32.1 K/min). In additionto thermal characterization of the sample, the chemical composition and naturally occurredradionuclides were also determined. Using the model-free (isoconversional) (by Friedman(FR), Kissinger-Akahira-Sunose (KAS), Ozawa-Flynn-Wall (OFW) and Vyazovkin (VY)methods) analysis, the complex kinetic nature of the process was successfully resolved. Theconducted numerical optimization of the process (using non-linear least square optimization)had confirmed accuracy and reliability of estimated kinetic parameters. Model-based(model-fitting) kinetic analysis showed the existence of a complex reaction scheme, overtwo consecutive reactions steps and one single-stage reaction step, via mechanism order An,F2, Fn, R3, Cnm (through n-dimensional nucleation/growth, chemical reactions, and n-thorder and m-power with autocatalysis mechanisms). Through physicochemical interpretationof mechanism scheme, an assessment of recovery of valuable metals and metal oxides wasperformed, by analysing the concentration of reaction species in a function of temperature ofindividual steps. Likewise, the influence of certain precursor involved in decomposition processas catalyst (in order to increase the yield of targeted product) was also inspected. Finally,the simulation of actual process using the results obtained from applied methods/models wasperformed, through application of modulated dynamic (MD) prediction.",
publisher = "Budapest : Akadémiai Kiadó",
journal = "JTACC 2023 : 3rd Journal of Thermal Analysis and Calorimetry Conference and 9th V4 (Joint Czech-Hungarian-Polish-Slovakian) Thermoanalytical Conference : Book of asbtracts",
title = "Recovering of metals and metal oxides through thermal decomposition process of coal bottom ash: a comprehensive kinetic analysis",
pages = "263-263",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12589"
}

Janković, B., Janković, M., Krneta Nikolić, J., Rajačić, M., Vukanac, I., Sarap, N.,& Manić, N.. (2023). Recovering of metals and metal oxides through thermal decomposition process of coal bottom ash: a comprehensive kinetic analysis. in JTACC 2023 : 3rd Journal of Thermal Analysis and Calorimetry Conference and 9th V4 (Joint Czech-Hungarian-Polish-Slovakian) Thermoanalytical Conference : Book of asbtracts
Budapest : Akadémiai Kiadó., 263-263.
https://hdl.handle.net/21.15107/rcub_vinar_12589

Janković B, Janković M, Krneta Nikolić J, Rajačić M, Vukanac I, Sarap N, Manić N. Recovering of metals and metal oxides through thermal decomposition process of coal bottom ash: a comprehensive kinetic analysis. in JTACC 2023 : 3rd Journal of Thermal Analysis and Calorimetry Conference and 9th V4 (Joint Czech-Hungarian-Polish-Slovakian) Thermoanalytical Conference : Book of asbtracts. 2023;:263-263.
https://hdl.handle.net/21.15107/rcub_vinar_12589 .

Janković, Bojan, Janković, Marija, Krneta Nikolić, Jelena, Rajačić, Milica, Vukanac, Ivana, Sarap, Nataša, Manić, Nebojša, "Recovering of metals and metal oxides through thermal decomposition process of coal bottom ash: a comprehensive kinetic analysis" in JTACC 2023 : 3rd Journal of Thermal Analysis and Calorimetry Conference and 9th V4 (Joint Czech-Hungarian-Polish-Slovakian) Thermoanalytical Conference : Book of asbtracts (2023):263-263,
https://hdl.handle.net/21.15107/rcub_vinar_12589 .

TY  - CONF
AU  - Vukanac, Ivana
AU  - Rajačić, Milica
AU  - Krneta Nikolić, Jelena
AU  - Janković, Marija
AU  - Sarap, Nataša
AU  - Stanković Petrović, Jelena
AU  - Kojić, Andrea
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12590
AB  - Measurement of radon (222Rn) concentration using charcoal filters according to the EPA 520/5-87-005 method is performed in Radiation and Environment Protection Department of Vinča Institute for Nuclear Sciences on NaI scintillation detectors. Concentration of radon adsorbed on active charcoal is determined indirectly, by gamma spectrometry of its daughter products via their gamma peaks at 295 keV, 352 keV (214Pb) and 609 keV (214Bi). In order to assure the reliability of the measurement results, and in accordance with Standard ISO 17025/17 quality control and quality assurance (QA/QC) procedures needs to be applied. Related activities ought to be planned, described in the quality control documentation, performed in a systematic manner, recorded and reviewed. First, the energy and efficiency calibration of the detection system needs to be performed in a proper manner. The NaI scintillation spectrometer is internally calibrated using the certified radioactive 226Ra standard in charcoal matrix and in the geometry identical to the measurement geometry, produced by Czech Metrology Institute and traceable to Bureau International des Poids et Mesures (BIPM). As defined in laboratory’s procedures a regular quality control of the NaI scintillation detector is performed once a week. Quality control activities include the background measurement and measurement of adequate reference material. Gross background count rate in the energy region of interest is used to verify that the detector and shield have not been contaminated and that there is no significant variation of the background. Reference material used is the soil sample with known content of 226Ra. Gross count rate in the reference material spectrum is used to check the energy and efficiency calibration. These values are recorded and verified if they are within the acceptance limits. Obtained results, together with acceptance limits, for a certain period (one year usually) is graphically presented in the control charts. The acceptance limits for background count rate and reference material gross count rate in the energy region of interest are defined according to the statistical analysis of the data from previous QC period. The mean and standard deviation is calculated and the acceptance limits are set to be ±2σ and ±3σ. QC measurement results falling between ±2σ are considered to be satisfactory, while those falling inside ±3σ are warning. QC measurement results exceeding ±3σ indicate that there is a problem with the measurement system and that analysis of causes and design and application of corrective measures are needed. Analysing the control charts for the previous QC period (year 2022) showed that the controlled parameters were within the defined limits of acceptance. Occasional discrepancies, mainly due to background variation, were minor and were addressed immediately. Background variation was treated simply by repeated measurements after additional ventilation of the measurement laboratory
PB  - Niš : Sievert Association
C3  - RAP 2023 : International conference on radiation applications in Physics, Chemistry, Biology, Medical Sciences, Engineering and Environmental Sciences; Book of abstracts
T1  - Quality control of NaI scintillation detector for gamma spectrometric determination of radon concentration
SP  - 32
EP  - 32
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12590
ER  - 

@conference{
author = "Vukanac, Ivana and Rajačić, Milica and Krneta Nikolić, Jelena and Janković, Marija and Sarap, Nataša and Stanković Petrović, Jelena and Kojić, Andrea",
year = "2023",
abstract = "Measurement of radon (222Rn) concentration using charcoal filters according to the EPA 520/5-87-005 method is performed in Radiation and Environment Protection Department of Vinča Institute for Nuclear Sciences on NaI scintillation detectors. Concentration of radon adsorbed on active charcoal is determined indirectly, by gamma spectrometry of its daughter products via their gamma peaks at 295 keV, 352 keV (214Pb) and 609 keV (214Bi). In order to assure the reliability of the measurement results, and in accordance with Standard ISO 17025/17 quality control and quality assurance (QA/QC) procedures needs to be applied. Related activities ought to be planned, described in the quality control documentation, performed in a systematic manner, recorded and reviewed. First, the energy and efficiency calibration of the detection system needs to be performed in a proper manner. The NaI scintillation spectrometer is internally calibrated using the certified radioactive 226Ra standard in charcoal matrix and in the geometry identical to the measurement geometry, produced by Czech Metrology Institute and traceable to Bureau International des Poids et Mesures (BIPM). As defined in laboratory’s procedures a regular quality control of the NaI scintillation detector is performed once a week. Quality control activities include the background measurement and measurement of adequate reference material. Gross background count rate in the energy region of interest is used to verify that the detector and shield have not been contaminated and that there is no significant variation of the background. Reference material used is the soil sample with known content of 226Ra. Gross count rate in the reference material spectrum is used to check the energy and efficiency calibration. These values are recorded and verified if they are within the acceptance limits. Obtained results, together with acceptance limits, for a certain period (one year usually) is graphically presented in the control charts. The acceptance limits for background count rate and reference material gross count rate in the energy region of interest are defined according to the statistical analysis of the data from previous QC period. The mean and standard deviation is calculated and the acceptance limits are set to be ±2σ and ±3σ. QC measurement results falling between ±2σ are considered to be satisfactory, while those falling inside ±3σ are warning. QC measurement results exceeding ±3σ indicate that there is a problem with the measurement system and that analysis of causes and design and application of corrective measures are needed. Analysing the control charts for the previous QC period (year 2022) showed that the controlled parameters were within the defined limits of acceptance. Occasional discrepancies, mainly due to background variation, were minor and were addressed immediately. Background variation was treated simply by repeated measurements after additional ventilation of the measurement laboratory",
publisher = "Niš : Sievert Association",
journal = "RAP 2023 : International conference on radiation applications in Physics, Chemistry, Biology, Medical Sciences, Engineering and Environmental Sciences; Book of abstracts",
title = "Quality control of NaI scintillation detector for gamma spectrometric determination of radon concentration",
pages = "32-32",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12590"
}

Vukanac, I., Rajačić, M., Krneta Nikolić, J., Janković, M., Sarap, N., Stanković Petrović, J.,& Kojić, A.. (2023). Quality control of NaI scintillation detector for gamma spectrometric determination of radon concentration. in RAP 2023 : International conference on radiation applications in Physics, Chemistry, Biology, Medical Sciences, Engineering and Environmental Sciences; Book of abstracts
Niš : Sievert Association., 32-32.
https://hdl.handle.net/21.15107/rcub_vinar_12590

Vukanac I, Rajačić M, Krneta Nikolić J, Janković M, Sarap N, Stanković Petrović J, Kojić A. Quality control of NaI scintillation detector for gamma spectrometric determination of radon concentration. in RAP 2023 : International conference on radiation applications in Physics, Chemistry, Biology, Medical Sciences, Engineering and Environmental Sciences; Book of abstracts. 2023;:32-32.
https://hdl.handle.net/21.15107/rcub_vinar_12590 .

Vukanac, Ivana, Rajačić, Milica, Krneta Nikolić, Jelena, Janković, Marija, Sarap, Nataša, Stanković Petrović, Jelena, Kojić, Andrea, "Quality control of NaI scintillation detector for gamma spectrometric determination of radon concentration" in RAP 2023 : International conference on radiation applications in Physics, Chemistry, Biology, Medical Sciences, Engineering and Environmental Sciences; Book of abstracts (2023):32-32,
https://hdl.handle.net/21.15107/rcub_vinar_12590 .

TY  - CONF
AU  - Sarap, Nataša
AU  - Krneta Nikolić, Jelena
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
AU  - Janković, Marija
AU  - Češljar, Goran
AU  - Đorđević, Ilija
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12603
AB  - U radu je prikazana procena stanja u životnoj sredini Mokre Gore, posmatrano sa radioekološkog aspekta. Rezultati gamaspektrometrijskih merenja sprovedenih na germanijumskom detektoru visoke čistoće su pokazala prisustvo 226Ra, 232Th i 40K u zemljištu Mokre Gore u koncentracijama aktivnosti: od 10 Bq/kg do 20 Bq/kg za 226Ra, 13 Bq/kg do 34 Bq/kg za 232Th i 96 Bq/kg do 250 Bq/kg za 40K. Na osnovu rezultata gamaspektrometrijskog merenja aktivnosti navedenih primordijalnih radionuklida, izvršena je procena radijacionog rizika usled terestričkog izlaganja stanovništva na području Mokre Gore. Proračunom su procenjeni sledeći parametri radijacionog rizika: ukupna jačina doze gama zračenja (srednja vrednost 28,6 nGy/h), godišnja efektivna doza (srednja vrednost 0,035 mSv) i indeks radijacionog rizika usled spoljašnjeg izlaganja (srednja vrednost 0,169). Procenjene vrednosti navedenih parametara ukazuju na to da ne postoji uvećan radijacioni rizik za stanovništvo ispitanog područja usled terestričkog izlaganja.
PB  - Novi Sad : Prirodno-matematički fakultet
C3  - 10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova
T1  - Procena radioekološke situacije u životnoj sredini Mokre Gore
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12603
ER  - 

@conference{
author = "Sarap, Nataša and Krneta Nikolić, Jelena and Rajačić, Milica and Vukanac, Ivana and Janković, Marija and Češljar, Goran and Đorđević, Ilija",
year = "2023",
abstract = "U radu je prikazana procena stanja u životnoj sredini Mokre Gore, posmatrano sa radioekološkog aspekta. Rezultati gamaspektrometrijskih merenja sprovedenih na germanijumskom detektoru visoke čistoće su pokazala prisustvo 226Ra, 232Th i 40K u zemljištu Mokre Gore u koncentracijama aktivnosti: od 10 Bq/kg do 20 Bq/kg za 226Ra, 13 Bq/kg do 34 Bq/kg za 232Th i 96 Bq/kg do 250 Bq/kg za 40K. Na osnovu rezultata gamaspektrometrijskog merenja aktivnosti navedenih primordijalnih radionuklida, izvršena je procena radijacionog rizika usled terestričkog izlaganja stanovništva na području Mokre Gore. Proračunom su procenjeni sledeći parametri radijacionog rizika: ukupna jačina doze gama zračenja (srednja vrednost 28,6 nGy/h), godišnja efektivna doza (srednja vrednost 0,035 mSv) i indeks radijacionog rizika usled spoljašnjeg izlaganja (srednja vrednost 0,169). Procenjene vrednosti navedenih parametara ukazuju na to da ne postoji uvećan radijacioni rizik za stanovništvo ispitanog područja usled terestričkog izlaganja.",
publisher = "Novi Sad : Prirodno-matematički fakultet",
journal = "10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova",
title = "Procena radioekološke situacije u životnoj sredini Mokre Gore",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12603"
}

Sarap, N., Krneta Nikolić, J., Rajačić, M., Vukanac, I., Janković, M., Češljar, G.,& Đorđević, I.. (2023). Procena radioekološke situacije u životnoj sredini Mokre Gore. in 10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova
Novi Sad : Prirodno-matematički fakultet..
https://hdl.handle.net/21.15107/rcub_vinar_12603

Sarap N, Krneta Nikolić J, Rajačić M, Vukanac I, Janković M, Češljar G, Đorđević I. Procena radioekološke situacije u životnoj sredini Mokre Gore. in 10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova. 2023;.
https://hdl.handle.net/21.15107/rcub_vinar_12603 .

Sarap, Nataša, Krneta Nikolić, Jelena, Rajačić, Milica, Vukanac, Ivana, Janković, Marija, Češljar, Goran, Đorđević, Ilija, "Procena radioekološke situacije u životnoj sredini Mokre Gore" in 10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova (2023),
https://hdl.handle.net/21.15107/rcub_vinar_12603 .

TY  - CONF
AU  - Janković, Marija
AU  - Sarap, Nataša
AU  - Stanić, Vojislav
AU  - Krneta Nikolić, Jelena
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
AU  - Šljivić-Ivanović, Marija
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12604
AB  - Gasni proporcionalni brojač koristi se za određivanje ukupne alfa i ukupne beta aktivnosti u različitim matriksima kao i za određivanje aktivnosti antropogenog radionuklida 90Sr koji je čist beta emiter. Ovaj rad predstavlja pregled kontrole kvaliteta gasnog proporcionalnog brojača Thermo-Eberline FHT 770T i određivanja efikasnosti, koja se sprovodi sa sertifikovanim standardima 241Am i 90Sr. Brojač ima mogućnost simultanog merenja na 6 detektora i određivanja aktivnosti reda mBq. U radu su prikazani i rezultati sprovedene eksterne kontrole kvaliteta učešćem u interkomparativnom merenju 90Sr, ukupne alfa i ukupne beta aktivnosti u uzorcima vode, organizovanom od strane Međunarodne Agencije za Atomsku Energiju tokom 2022. godine.
PB  - Novi Sad : Prirodno-matematički fakultet
C3  - 10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova
T1  - Kontrola kvaliteta gasnog proporcionalnog brojača – radioaktivnost u vodama
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12604
ER  - 

@conference{
author = "Janković, Marija and Sarap, Nataša and Stanić, Vojislav and Krneta Nikolić, Jelena and Rajačić, Milica and Vukanac, Ivana and Šljivić-Ivanović, Marija",
year = "2023",
abstract = "Gasni proporcionalni brojač koristi se za određivanje ukupne alfa i ukupne beta aktivnosti u različitim matriksima kao i za određivanje aktivnosti antropogenog radionuklida 90Sr koji je čist beta emiter. Ovaj rad predstavlja pregled kontrole kvaliteta gasnog proporcionalnog brojača Thermo-Eberline FHT 770T i određivanja efikasnosti, koja se sprovodi sa sertifikovanim standardima 241Am i 90Sr. Brojač ima mogućnost simultanog merenja na 6 detektora i određivanja aktivnosti reda mBq. U radu su prikazani i rezultati sprovedene eksterne kontrole kvaliteta učešćem u interkomparativnom merenju 90Sr, ukupne alfa i ukupne beta aktivnosti u uzorcima vode, organizovanom od strane Međunarodne Agencije za Atomsku Energiju tokom 2022. godine.",
publisher = "Novi Sad : Prirodno-matematički fakultet",
journal = "10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova",
title = "Kontrola kvaliteta gasnog proporcionalnog brojača – radioaktivnost u vodama",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12604"
}

Janković, M., Sarap, N., Stanić, V., Krneta Nikolić, J., Rajačić, M., Vukanac, I.,& Šljivić-Ivanović, M.. (2023). Kontrola kvaliteta gasnog proporcionalnog brojača – radioaktivnost u vodama. in 10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova
Novi Sad : Prirodno-matematički fakultet..
https://hdl.handle.net/21.15107/rcub_vinar_12604

Janković M, Sarap N, Stanić V, Krneta Nikolić J, Rajačić M, Vukanac I, Šljivić-Ivanović M. Kontrola kvaliteta gasnog proporcionalnog brojača – radioaktivnost u vodama. in 10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova. 2023;.
https://hdl.handle.net/21.15107/rcub_vinar_12604 .

Janković, Marija, Sarap, Nataša, Stanić, Vojislav, Krneta Nikolić, Jelena, Rajačić, Milica, Vukanac, Ivana, Šljivić-Ivanović, Marija, "Kontrola kvaliteta gasnog proporcionalnog brojača – radioaktivnost u vodama" in 10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova (2023),
https://hdl.handle.net/21.15107/rcub_vinar_12604 .

TY  - CONF
AU  - Avramović, Ivana
AU  - Vukanac, Ivana
AU  - Pavlović, Snežana
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12202
AB  - Problem u korišćenju stručne terminologije je u poslednje vreme sve izraženiji. Jedan od uzroka za takvo stanje leži u činjenici da je engleski jezik ušao u svakodnevnu upotrebu. Pored toga, činjenica da se srpski standardi objavljuju na engleskom jeziku preuzimanjem međunarodnog ili evropskog standarda još više doprinosi produbljivanju ovog problema. Korišćenje različitih termina za isti pojam može se razrešiti uvođenjem Rečnika stručnih termina. U radu su diskutovane opcije za nekoliko često korišćenih termina.
AB  - The issue of using professional terminology has been more apparent in recent times. One of the reasons for such occurrence is the fact that English language has been widely used on regular basis. In addition, the fact that the Serbian standards have been adopted in English language additionally contributes to deepening this issue. The use of varying terms for the same notion can be overcome by introducing the Dictionary of Professional Terminology. This paper looks into the options for several frequently used terms.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - Terminologija u oblasti radijacione i nuklearne sigurnosti i bezbednosti – izazovi
T1  - Terminology in the Field of Radiation and Nuclear Safety and Security – Challenges
SP  - 477
EP  - 482
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12202
ER  - 

@conference{
author = "Avramović, Ivana and Vukanac, Ivana and Pavlović, Snežana",
year = "2023",
abstract = "Problem u korišćenju stručne terminologije je u poslednje vreme sve izraženiji. Jedan od uzroka za takvo stanje leži u činjenici da je engleski jezik ušao u svakodnevnu upotrebu. Pored toga, činjenica da se srpski standardi objavljuju na engleskom jeziku preuzimanjem međunarodnog ili evropskog standarda još više doprinosi produbljivanju ovog problema. Korišćenje različitih termina za isti pojam može se razrešiti uvođenjem Rečnika stručnih termina. U radu su diskutovane opcije za nekoliko često korišćenih termina., The issue of using professional terminology has been more apparent in recent times. One of the reasons for such occurrence is the fact that English language has been widely used on regular basis. In addition, the fact that the Serbian standards have been adopted in English language additionally contributes to deepening this issue. The use of varying terms for the same notion can be overcome by introducing the Dictionary of Professional Terminology. This paper looks into the options for several frequently used terms.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "Terminologija u oblasti radijacione i nuklearne sigurnosti i bezbednosti – izazovi, Terminology in the Field of Radiation and Nuclear Safety and Security – Challenges",
pages = "477-482",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12202"
}

Avramović, I., Vukanac, I.,& Pavlović, S.. (2023). Terminologija u oblasti radijacione i nuklearne sigurnosti i bezbednosti – izazovi. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 477-482.
https://hdl.handle.net/21.15107/rcub_vinar_12202

Avramović I, Vukanac I, Pavlović S. Terminologija u oblasti radijacione i nuklearne sigurnosti i bezbednosti – izazovi. in 32. simpozijum DZZSCG : zbornik radova. 2023;:477-482.
https://hdl.handle.net/21.15107/rcub_vinar_12202 .

Avramović, Ivana, Vukanac, Ivana, Pavlović, Snežana, "Terminologija u oblasti radijacione i nuklearne sigurnosti i bezbednosti – izazovi" in 32. simpozijum DZZSCG : zbornik radova (2023):477-482,
https://hdl.handle.net/21.15107/rcub_vinar_12202 .

TY  - CONF
AU  - Vukanac, Ivana
AU  - Krneta Nikolić, Jelena
AU  - Đurašević, Mirjana
AU  - Čeliković, Igor
AU  - Rajačić, Milica
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11910
AB  - MetroPOEM (Metrology for harmonization of measuremenets of environmental pollutant in Europe) je trogodišnji evropski projekat finansiran u okviru EMPIR programa.Globalna težnja ka što manjem zagadjenju (European Green Deal´s ambition for zero pollution) zahteva razvoj visoko osetljivih tehnika kojima se mogu detektovati niske koncentracije polutanata. Masena spekrometrija je najznačajnija tehnika za odredjivanje neradioaktivnih, ali i dugoživućih radioaktivnih polutanata. Glavni cilj ovog projekta je da uspostavi vezu izmedju radiometrijskih i masenih tehnika merenja polutanata. Takođe, cilj projekta je i smanjenje mernih nesigurnosti, limita detekcije, ali i razvoj novih referentnih materijala kojima bi se obezbedila sledivost mernih procedura.
AB  - The MetroPOEM project (Metrology for harmonization of measurements of environmental pollutants in Europe) is a three-year European project financed under the EMPIR program. The global aspiration towards as little pollution as possible (European Green Deal's ambition for zero pollution) requires the development of highly sensitive techniques that can detect low concentrations of pollutants. Mass spectrometry is the most important technique for determining non-radioactive, but also long-lived radioactive pollutants. The main goal of this project is to establish a link between radiometric and mass pollutant measurement techniques. Also, the goal of the project is the reduction of measurement uncertainties, detection limits, but also the development of new reference materials that would ensure the traceability of measurement procedures.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - MetroPOEM projekat – metrologija za harmonizaciju merenja zagađivača životne sredine u Evropi
T1  - MetroPOEM – Metrology for the Harmonisation of Measurements of Environmental Pollutants in Europe
SP  - 9
EP  - 14
UR  - https://hdl.handle.net/21.15107/rcub_vinar_11910
ER  - 

@conference{
author = "Vukanac, Ivana and Krneta Nikolić, Jelena and Đurašević, Mirjana and Čeliković, Igor and Rajačić, Milica",
year = "2023",
abstract = "MetroPOEM (Metrology for harmonization of measuremenets of environmental pollutant in Europe) je trogodišnji evropski projekat finansiran u okviru EMPIR programa.Globalna težnja ka što manjem zagadjenju (European Green Deal´s ambition for zero pollution) zahteva razvoj visoko osetljivih tehnika kojima se mogu detektovati niske koncentracije polutanata. Masena spekrometrija je najznačajnija tehnika za odredjivanje neradioaktivnih, ali i dugoživućih radioaktivnih polutanata. Glavni cilj ovog projekta je da uspostavi vezu izmedju radiometrijskih i masenih tehnika merenja polutanata. Takođe, cilj projekta je i smanjenje mernih nesigurnosti, limita detekcije, ali i razvoj novih referentnih materijala kojima bi se obezbedila sledivost mernih procedura., The MetroPOEM project (Metrology for harmonization of measurements of environmental pollutants in Europe) is a three-year European project financed under the EMPIR program. The global aspiration towards as little pollution as possible (European Green Deal's ambition for zero pollution) requires the development of highly sensitive techniques that can detect low concentrations of pollutants. Mass spectrometry is the most important technique for determining non-radioactive, but also long-lived radioactive pollutants. The main goal of this project is to establish a link between radiometric and mass pollutant measurement techniques. Also, the goal of the project is the reduction of measurement uncertainties, detection limits, but also the development of new reference materials that would ensure the traceability of measurement procedures.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "MetroPOEM projekat – metrologija za harmonizaciju merenja zagađivača životne sredine u Evropi, MetroPOEM – Metrology for the Harmonisation of Measurements of Environmental Pollutants in Europe",
pages = "9-14",
url = "https://hdl.handle.net/21.15107/rcub_vinar_11910"
}

Vukanac, I., Krneta Nikolić, J., Đurašević, M., Čeliković, I.,& Rajačić, M.. (2023). MetroPOEM projekat – metrologija za harmonizaciju merenja zagađivača životne sredine u Evropi. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 9-14.
https://hdl.handle.net/21.15107/rcub_vinar_11910

Vukanac I, Krneta Nikolić J, Đurašević M, Čeliković I, Rajačić M. MetroPOEM projekat – metrologija za harmonizaciju merenja zagađivača životne sredine u Evropi. in 32. simpozijum DZZSCG : zbornik radova. 2023;:9-14.
https://hdl.handle.net/21.15107/rcub_vinar_11910 .

Vukanac, Ivana, Krneta Nikolić, Jelena, Đurašević, Mirjana, Čeliković, Igor, Rajačić, Milica, "MetroPOEM projekat – metrologija za harmonizaciju merenja zagađivača životne sredine u Evropi" in 32. simpozijum DZZSCG : zbornik radova (2023):9-14,
https://hdl.handle.net/21.15107/rcub_vinar_11910 .

TY  - CONF
AU  - Mladenović Nikolić, Nataša
AU  - Trivunac, Katarina
AU  - Nenadović, Miloš
AU  - Dolenec, Sabina
AU  - Mrak, Maruša
AU  - Vukanac, Ivana
AU  - Nenadović, Snežana
AU  - Kljajević, Ljiljana M.
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12174
AB  - In this study, fly ash (FA) from the active and passive cassette TENT A (Nikola Tesla power plant, Obrenovac) is characterized from physicochemical and radiological aspects.Samples of FA consisted of amorphous phase followed by quartz, mullite, plagioclase, K-feldspar, hematite and calcite. As indicated by laser granulometry, the fraction D50 of investigated samples are about 80μm, so based on the above, they belong to coarse ashes.Very important parameter which defines chemical composition of the fly ash as precursor material of clinker or alkali activated materialsis presence of organic matter which is expressed by total organic content (TOC).Assessment of radiation exposure during coal combustion depends on the concentration of radioactive elements in the coal and in the resulting fly ash. Fly ash as industrial waste contains certain concentrations of natural radionuclides that are considered naturally occurring radioactive materials (NORM). The results showed that fly ash has satisfactory radiological properties and can be used as an addition to clinkers, but also as a potential precursor of a new class of alkaline activated materials that can be used in the construction sector.
AB  - Procena izloženosti zračenju pri sagorevanju uglja zavisi od koncentracije radioaktivnih elemenata u uglju i u letećem pepelu koji nastaje. Uzorci letećeg pepela se sastoje od amorfne faze praćene kvarcom, mulitom, plagioklasom, K-feldspatom, hematinom, kalcitom. Kao rezultat laserske granulometrije, frakcija D50 za ispitivane uzorke je približno 80 μm, tako da na osnovu navedenog, leteći pepeli predstavljaju pepele krupnih čestica. Veoma važan parametar je prisustvo organske materije koje se izražava ukupnim organskim sadržajem. Leteći pepeli kao industrijski ostaci sadrže određene koncentracije prirodnih radionuklida koji se smatraju prirodnim radioaktivnim materijalima (NORM). U ovojm istraživanju, leteći pepeo iz aktivne i pasivne kasete TENT A (termoelektrana Nikola Tesla, Obrenovac) karakteriše se sa radiološkog i fizičko-hemijskog aspekta. Rezultati su pokazali da leteći pepeo ima zadovoljavajuća radiološka svojstva i da se može koristiti kao dodatak klinkerima, ali i kao potencijalni precursor nove klase alkalno aktiviranih materijala koji se mogu primeniti u građevinskom sektoru.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - Fly-Ash for Usage in the Building Material Industry
T1  - Upotreba letećeg pepela u industriji građevinskog materijala
SP  - 128
EP  - 136
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12174
ER  - 

@conference{
author = "Mladenović Nikolić, Nataša and Trivunac, Katarina and Nenadović, Miloš and Dolenec, Sabina and Mrak, Maruša and Vukanac, Ivana and Nenadović, Snežana and Kljajević, Ljiljana M.",
year = "2023",
abstract = "In this study, fly ash (FA) from the active and passive cassette TENT A (Nikola Tesla power plant, Obrenovac) is characterized from physicochemical and radiological aspects.Samples of FA consisted of amorphous phase followed by quartz, mullite, plagioclase, K-feldspar, hematite and calcite. As indicated by laser granulometry, the fraction D50 of investigated samples are about 80μm, so based on the above, they belong to coarse ashes.Very important parameter which defines chemical composition of the fly ash as precursor material of clinker or alkali activated materialsis presence of organic matter which is expressed by total organic content (TOC).Assessment of radiation exposure during coal combustion depends on the concentration of radioactive elements in the coal and in the resulting fly ash. Fly ash as industrial waste contains certain concentrations of natural radionuclides that are considered naturally occurring radioactive materials (NORM). The results showed that fly ash has satisfactory radiological properties and can be used as an addition to clinkers, but also as a potential precursor of a new class of alkaline activated materials that can be used in the construction sector., Procena izloženosti zračenju pri sagorevanju uglja zavisi od koncentracije radioaktivnih elemenata u uglju i u letećem pepelu koji nastaje. Uzorci letećeg pepela se sastoje od amorfne faze praćene kvarcom, mulitom, plagioklasom, K-feldspatom, hematinom, kalcitom. Kao rezultat laserske granulometrije, frakcija D50 za ispitivane uzorke je približno 80 μm, tako da na osnovu navedenog, leteći pepeli predstavljaju pepele krupnih čestica. Veoma važan parametar je prisustvo organske materije koje se izražava ukupnim organskim sadržajem. Leteći pepeli kao industrijski ostaci sadrže određene koncentracije prirodnih radionuklida koji se smatraju prirodnim radioaktivnim materijalima (NORM). U ovojm istraživanju, leteći pepeo iz aktivne i pasivne kasete TENT A (termoelektrana Nikola Tesla, Obrenovac) karakteriše se sa radiološkog i fizičko-hemijskog aspekta. Rezultati su pokazali da leteći pepeo ima zadovoljavajuća radiološka svojstva i da se može koristiti kao dodatak klinkerima, ali i kao potencijalni precursor nove klase alkalno aktiviranih materijala koji se mogu primeniti u građevinskom sektoru.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "Fly-Ash for Usage in the Building Material Industry, Upotreba letećeg pepela u industriji građevinskog materijala",
pages = "128-136",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12174"
}

Mladenović Nikolić, N., Trivunac, K., Nenadović, M., Dolenec, S., Mrak, M., Vukanac, I., Nenadović, S.,& Kljajević, L. M.. (2023). Fly-Ash for Usage in the Building Material Industry. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 128-136.
https://hdl.handle.net/21.15107/rcub_vinar_12174

Mladenović Nikolić N, Trivunac K, Nenadović M, Dolenec S, Mrak M, Vukanac I, Nenadović S, Kljajević LM. Fly-Ash for Usage in the Building Material Industry. in 32. simpozijum DZZSCG : zbornik radova. 2023;:128-136.
https://hdl.handle.net/21.15107/rcub_vinar_12174 .

Mladenović Nikolić, Nataša, Trivunac, Katarina, Nenadović, Miloš, Dolenec, Sabina, Mrak, Maruša, Vukanac, Ivana, Nenadović, Snežana, Kljajević, Ljiljana M., "Fly-Ash for Usage in the Building Material Industry" in 32. simpozijum DZZSCG : zbornik radova (2023):128-136,
https://hdl.handle.net/21.15107/rcub_vinar_12174 .

TY  - CONF
AU  - Čeliković, Igor
AU  - Vukanac, Ivana
AU  - Pantelić, Gordana
AU  - Živanović, Miloš
AU  - Krneta Nikolić, Jelena
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12178
AB  - Oko pola efektivne doze koju stanovništvo primi usled izlaganja jonizujućem zračenju potiče od radona i njegovih potomaka, te je problematika radona važna u oblasti zaštite od zračenja. Takođe, kao hemijski inertan gas, radon je našao primenu u izučavanju životne sredine kao traser za razne geološke i atmosferske procese. Jedna od važnih primena radona je u problematici praćenja gasova koji izazivaju efekat staklene bašte (greenhouse gases – GHG). Pokazano je da se poznavanjem fluksa radona iz zemlje i priraštaja koncentracije radona i koncentracije GHG u istom vremenskom intervalu tokom noći može odrediti fluks GHG. U ovom radu će biti prikazani odabrani rezultati nedavno završenog traceRadon projekta čiji je cilj bio razvijanje metrološki sledivih metoda merenja niskih koncentracija radona u atmosferi u granicama od 1 Bq m-3 do 100 Bq m-3, kao i unapređenje tehnika merenja i samo merenje radonskog fluksa, što će doprineti ispitivanju klimatskih promena kroz obezbeđivanje pouzdane procene fluksa GHG. Takođe, u sklopu projekta, vršila se procena do koje mere se radon u spoljašnjoj sredini i radonski fluks mogu koristiti za procenu radonskih prioritetnih oblasti.
AB  - Since more than a half of the effective doses from all ionising radiation come from the exposure to radon and its progeny, radon is important in the field of radiation protection. Being a noble gas and therefore chemically inert, radon is also used as a tracer for different geological and atmospheric processes. Radon is of interest to climate scientists for monitoring greenhouse gasses (GHG). It is known that by knowing radon flux and variation of radon and GHG concentration at the same period of time during the night, it is possible to estimate emission of GHG. In this paper, the most important results of recently finished EMPIR project 19ENV01 traceRadon “Radon metrology for use in climate change observation and radiation protection at the environmental level” are presented. Project aimed to develop the capability to measure SI traceable radon activity in the range of 1 Bq m-3 to 100 Bq m-3, suitable for outdoor radon measurements, to develop the capability for traceable radon flux measurements in the field which is important for GHG emission estimates and validation of contemporary radon flux models. Within the project it was investigated to what extent radon flux and outdoor radon data could be used for estimation of radon priority areas.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - TraceRadon projekat – pregled najvažnijih rezultata
T1  - TraceRadon Project – An Overview of Scientific Achievements
SP  - 196
EP  - 205
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12178
ER  - 

@conference{
author = "Čeliković, Igor and Vukanac, Ivana and Pantelić, Gordana and Živanović, Miloš and Krneta Nikolić, Jelena",
year = "2023",
abstract = "Oko pola efektivne doze koju stanovništvo primi usled izlaganja jonizujućem zračenju potiče od radona i njegovih potomaka, te je problematika radona važna u oblasti zaštite od zračenja. Takođe, kao hemijski inertan gas, radon je našao primenu u izučavanju životne sredine kao traser za razne geološke i atmosferske procese. Jedna od važnih primena radona je u problematici praćenja gasova koji izazivaju efekat staklene bašte (greenhouse gases – GHG). Pokazano je da se poznavanjem fluksa radona iz zemlje i priraštaja koncentracije radona i koncentracije GHG u istom vremenskom intervalu tokom noći može odrediti fluks GHG. U ovom radu će biti prikazani odabrani rezultati nedavno završenog traceRadon projekta čiji je cilj bio razvijanje metrološki sledivih metoda merenja niskih koncentracija radona u atmosferi u granicama od 1 Bq m-3 do 100 Bq m-3, kao i unapređenje tehnika merenja i samo merenje radonskog fluksa, što će doprineti ispitivanju klimatskih promena kroz obezbeđivanje pouzdane procene fluksa GHG. Takođe, u sklopu projekta, vršila se procena do koje mere se radon u spoljašnjoj sredini i radonski fluks mogu koristiti za procenu radonskih prioritetnih oblasti., Since more than a half of the effective doses from all ionising radiation come from the exposure to radon and its progeny, radon is important in the field of radiation protection. Being a noble gas and therefore chemically inert, radon is also used as a tracer for different geological and atmospheric processes. Radon is of interest to climate scientists for monitoring greenhouse gasses (GHG). It is known that by knowing radon flux and variation of radon and GHG concentration at the same period of time during the night, it is possible to estimate emission of GHG. In this paper, the most important results of recently finished EMPIR project 19ENV01 traceRadon “Radon metrology for use in climate change observation and radiation protection at the environmental level” are presented. Project aimed to develop the capability to measure SI traceable radon activity in the range of 1 Bq m-3 to 100 Bq m-3, suitable for outdoor radon measurements, to develop the capability for traceable radon flux measurements in the field which is important for GHG emission estimates and validation of contemporary radon flux models. Within the project it was investigated to what extent radon flux and outdoor radon data could be used for estimation of radon priority areas.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "TraceRadon projekat – pregled najvažnijih rezultata, TraceRadon Project – An Overview of Scientific Achievements",
pages = "196-205",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12178"
}

Čeliković, I., Vukanac, I., Pantelić, G., Živanović, M.,& Krneta Nikolić, J.. (2023). TraceRadon projekat – pregled najvažnijih rezultata. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 196-205.
https://hdl.handle.net/21.15107/rcub_vinar_12178

Čeliković I, Vukanac I, Pantelić G, Živanović M, Krneta Nikolić J. TraceRadon projekat – pregled najvažnijih rezultata. in 32. simpozijum DZZSCG : zbornik radova. 2023;:196-205.
https://hdl.handle.net/21.15107/rcub_vinar_12178 .

Čeliković, Igor, Vukanac, Ivana, Pantelić, Gordana, Živanović, Miloš, Krneta Nikolić, Jelena, "TraceRadon projekat – pregled najvažnijih rezultata" in 32. simpozijum DZZSCG : zbornik radova (2023):196-205,
https://hdl.handle.net/21.15107/rcub_vinar_12178 .

TY  - JOUR
AU  - Rajačić, Milica
AU  - Todorović, Dragana
AU  - Andrić, Velibor
AU  - Nikolić, Jelena K.
AU  - Janković, Marija M.
AU  - Pantelić, Gordana K.
AU  - Vukanac, Ivana
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11065
AB  - In accordance with ISO/IEC 17025:2017, the testing laboratory needs to verify its ability to properly perform methods. For radiological testing, the sampling does not affect the results directly, but it has to ensure that sample adequately represents the tested material. To verify the procedure, a sampling of red mud and bauxite ore was conducted. All samples were measured in identical geometry by HPGe spectrometer. The counting rates per unit mass in the recorded spectra were compared. For each measurement series, the mean and standard deviations of respected peaks were calculated, as well as average and standard deviation of all series. The obtained results of each individual series were considered satisfactory, i.e. sampling procedure ensures the representativeness of the bulk material, if it is within ± two standard deviations of the average of the mean values.
T2  - Radiation Protection Dosimetry
T1  - Verification of the sampling procedure for radioactivity analysis of waste and industrial material
VL  - 199
IS  - 8-9
SP  - 941
EP  - 946
DO  - 10.1093/rpd/ncad095
ER  - 

@article{
author = "Rajačić, Milica and Todorović, Dragana and Andrić, Velibor and Nikolić, Jelena K. and Janković, Marija M. and Pantelić, Gordana K. and Vukanac, Ivana",
year = "2023",
abstract = "In accordance with ISO/IEC 17025:2017, the testing laboratory needs to verify its ability to properly perform methods. For radiological testing, the sampling does not affect the results directly, but it has to ensure that sample adequately represents the tested material. To verify the procedure, a sampling of red mud and bauxite ore was conducted. All samples were measured in identical geometry by HPGe spectrometer. The counting rates per unit mass in the recorded spectra were compared. For each measurement series, the mean and standard deviations of respected peaks were calculated, as well as average and standard deviation of all series. The obtained results of each individual series were considered satisfactory, i.e. sampling procedure ensures the representativeness of the bulk material, if it is within ± two standard deviations of the average of the mean values.",
journal = "Radiation Protection Dosimetry",
title = "Verification of the sampling procedure for radioactivity analysis of waste and industrial material",
volume = "199",
number = "8-9",
pages = "941-946",
doi = "10.1093/rpd/ncad095"
}

Rajačić, M., Todorović, D., Andrić, V., Nikolić, J. K., Janković, M. M., Pantelić, G. K.,& Vukanac, I.. (2023). Verification of the sampling procedure for radioactivity analysis of waste and industrial material. in Radiation Protection Dosimetry, 199(8-9), 941-946.
https://doi.org/10.1093/rpd/ncad095

Rajačić M, Todorović D, Andrić V, Nikolić JK, Janković MM, Pantelić GK, Vukanac I. Verification of the sampling procedure for radioactivity analysis of waste and industrial material. in Radiation Protection Dosimetry. 2023;199(8-9):941-946.
doi:10.1093/rpd/ncad095 .

Rajačić, Milica, Todorović, Dragana, Andrić, Velibor, Nikolić, Jelena K., Janković, Marija M., Pantelić, Gordana K., Vukanac, Ivana, "Verification of the sampling procedure for radioactivity analysis of waste and industrial material" in Radiation Protection Dosimetry, 199, no. 8-9 (2023):941-946,
https://doi.org/10.1093/rpd/ncad095 . .

TY  - CONF
AU  - Ajtić, Jelena
AU  - Rajačić, Milica
AU  - Krneta Nikolić, Jelena
AU  - Vukanac, Ivana
AU  - Ilić, Zorana
AU  - Vidic, Alfred
AU  - Didović, Irma
AU  - Janusheski, Jovan
AU  - Anusheva, Jordanka
AU  - Dimovska, Snežana
AU  - Danilovski, Dejan
AU  - Anđelić, Tomislav
AU  - Zekić, Ranko
AU  - Svrkota, Nikola
AU  - Radonjić, Slavko
AU  - Vodenik, Branko
AU  - Zorko, Benjamin
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11943
AB  - U radu je predstavljena novoformirana baza podataka GRAMON (Ground Air Radioactivity Monitoring) koja sadrži rezultate merenja radioaktivnosti u vazduhu na sedam lokacija: Beograd (Srbija), Ljubljana i Krško (Slovenija), Sarajevo (Bosna i Hercegovina), Podgorica (Crna Gora), Skoplje i Bitola (Severna Makedonija). Iz baze su za sve lokacije preuzete mesečne vrednosti specifične aktivnosti prirodnog radionuklida berilijuma-7 i potom analizirani deskriptivni statistički parametri od januara 2010. do decembra 2019. godine. Srednje vrednosti specifične aktivnosti berilijuma-7 tokom ovog perioda kreću se od 3,32 mBq/m3 u Sarajevu do 5,93 mBq/m3 u Beogradu. Koeficijent varijacije najmanji je za Krško (37,7%) i Sarajevo (38,6%), a najveći za Beograd (54,8%) i Bitolu (72,4%). Ipak, 3σ-opsezi svih sedam vremenskih serija se preklapaju. U daljoj statističkoj analizi biće ispitano da li među ovim vremenskim serijama postoje značajne razlike.
AB  - This paper presents a recently established Ground Air Radioactivity Monitoring (GRAMON) database that contains the results of radioactivity measurements in the air at seven locations: Belgrade (Serbia), Ljubljana and Krško (Slovenia), Sarajevo (Bosnia and Herzegovina), Podgorica (Montenegro), Skopje and Bitola (North Macedonia). Monthly values of specific activity of the natural radionuclide beryllium-7 were selected from the database and descriptive statistical parameters were analyzed for each location from January 2010 to December 2019. The mean values of the specific activity of beryllium-7 over this period range from 3.32 mBq/m3 in Sarajevo to 5.93 mBq/m3 in Belgrade. The coefficient of variation is the least for Krško (37.7%) and Sarajevo (38.6%), and the largest for Belgrade (54.8%) and Bitola (72.4%). Still, the 3σ-intervals of all seven time series overlap. Further statistical analysis will investigate whether there are any significant differences among these time series.
PB  - Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"
PB  - Društvo za zaštitu od zračenja Srbije i Crne Gore
C3  - 32. simpozijum DZZSCG : zbornik radova
T1  - GRAMON baza podataka: desetogodišnja merenja specifične aktivnosti berilijuma-7 u vazduhu
T1  - GRAMON Database: Ten Years of Beryllium-7 Specific Activity Measurements
SP  - 30
EP  - 35
UR  - https://hdl.handle.net/21.15107/rcub_vinar_11943
ER  - 

@conference{
author = "Ajtić, Jelena and Rajačić, Milica and Krneta Nikolić, Jelena and Vukanac, Ivana and Ilić, Zorana and Vidic, Alfred and Didović, Irma and Janusheski, Jovan and Anusheva, Jordanka and Dimovska, Snežana and Danilovski, Dejan and Anđelić, Tomislav and Zekić, Ranko and Svrkota, Nikola and Radonjić, Slavko and Vodenik, Branko and Zorko, Benjamin",
year = "2023",
abstract = "U radu je predstavljena novoformirana baza podataka GRAMON (Ground Air Radioactivity Monitoring) koja sadrži rezultate merenja radioaktivnosti u vazduhu na sedam lokacija: Beograd (Srbija), Ljubljana i Krško (Slovenija), Sarajevo (Bosna i Hercegovina), Podgorica (Crna Gora), Skoplje i Bitola (Severna Makedonija). Iz baze su za sve lokacije preuzete mesečne vrednosti specifične aktivnosti prirodnog radionuklida berilijuma-7 i potom analizirani deskriptivni statistički parametri od januara 2010. do decembra 2019. godine. Srednje vrednosti specifične aktivnosti berilijuma-7 tokom ovog perioda kreću se od 3,32 mBq/m3 u Sarajevu do 5,93 mBq/m3 u Beogradu. Koeficijent varijacije najmanji je za Krško (37,7%) i Sarajevo (38,6%), a najveći za Beograd (54,8%) i Bitolu (72,4%). Ipak, 3σ-opsezi svih sedam vremenskih serija se preklapaju. U daljoj statističkoj analizi biće ispitano da li među ovim vremenskim serijama postoje značajne razlike., This paper presents a recently established Ground Air Radioactivity Monitoring (GRAMON) database that contains the results of radioactivity measurements in the air at seven locations: Belgrade (Serbia), Ljubljana and Krško (Slovenia), Sarajevo (Bosnia and Herzegovina), Podgorica (Montenegro), Skopje and Bitola (North Macedonia). Monthly values of specific activity of the natural radionuclide beryllium-7 were selected from the database and descriptive statistical parameters were analyzed for each location from January 2010 to December 2019. The mean values of the specific activity of beryllium-7 over this period range from 3.32 mBq/m3 in Sarajevo to 5.93 mBq/m3 in Belgrade. The coefficient of variation is the least for Krško (37.7%) and Sarajevo (38.6%), and the largest for Belgrade (54.8%) and Bitola (72.4%). Still, the 3σ-intervals of all seven time series overlap. Further statistical analysis will investigate whether there are any significant differences among these time series.",
publisher = "Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča", Društvo za zaštitu od zračenja Srbije i Crne Gore",
journal = "32. simpozijum DZZSCG : zbornik radova",
title = "GRAMON baza podataka: desetogodišnja merenja specifične aktivnosti berilijuma-7 u vazduhu, GRAMON Database: Ten Years of Beryllium-7 Specific Activity Measurements",
pages = "30-35",
url = "https://hdl.handle.net/21.15107/rcub_vinar_11943"
}

Ajtić, J., Rajačić, M., Krneta Nikolić, J., Vukanac, I., Ilić, Z., Vidic, A., Didović, I., Janusheski, J., Anusheva, J., Dimovska, S., Danilovski, D., Anđelić, T., Zekić, R., Svrkota, N., Radonjić, S., Vodenik, B.,& Zorko, B.. (2023). GRAMON baza podataka: desetogodišnja merenja specifične aktivnosti berilijuma-7 u vazduhu. in 32. simpozijum DZZSCG : zbornik radova
Beograd : Univerzitet u Beogradu, Institut za nuklearne nauke "Vinča"., 30-35.
https://hdl.handle.net/21.15107/rcub_vinar_11943

Ajtić J, Rajačić M, Krneta Nikolić J, Vukanac I, Ilić Z, Vidic A, Didović I, Janusheski J, Anusheva J, Dimovska S, Danilovski D, Anđelić T, Zekić R, Svrkota N, Radonjić S, Vodenik B, Zorko B. GRAMON baza podataka: desetogodišnja merenja specifične aktivnosti berilijuma-7 u vazduhu. in 32. simpozijum DZZSCG : zbornik radova. 2023;:30-35.
https://hdl.handle.net/21.15107/rcub_vinar_11943 .

Ajtić, Jelena, Rajačić, Milica, Krneta Nikolić, Jelena, Vukanac, Ivana, Ilić, Zorana, Vidic, Alfred, Didović, Irma, Janusheski, Jovan, Anusheva, Jordanka, Dimovska, Snežana, Danilovski, Dejan, Anđelić, Tomislav, Zekić, Ranko, Svrkota, Nikola, Radonjić, Slavko, Vodenik, Branko, Zorko, Benjamin, "GRAMON baza podataka: desetogodišnja merenja specifične aktivnosti berilijuma-7 u vazduhu" in 32. simpozijum DZZSCG : zbornik radova (2023):30-35,
https://hdl.handle.net/21.15107/rcub_vinar_11943 .