TY  - CONF
AU  - Tošić, Katarina
AU  - Mitrović Rajić, Anđela
AU  - Milošević Govedarović, Sanja
AU  - Mijaković, Sara
AU  - Vujačić Nikezić, Ana V.
AU  - Grbović Novaković, Jasmina
AU  - Paskaš Mamula, Bojana
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12305
AB  - Pyrophyllite, a naturally abundant clay material, exhibits remarkable physicochemical characteristics. Its minimal electrical and thermal conductivity, low expansion rate, strong mechanical properties, and outstanding heat resistance make it a valuable resource across diverse industries. Pyrophyllite finds applications in sectors such as paper and plastic manufacturing, brick production, ceramics, cosmetics, rubber processing, and wastewater treatment. Furthermore, its versatility extends to the production of ceramic membranes for efficient water filtration. This paper presents the characterization of natural pyrophyllite ore subjected to ultrasonic treatment at varying time intervals. The ultrasonic treatment aims to eliminate hard phases such as quartz and calcite within the ore, thereby improving its sorption capabilities. The treated samples were subjected to analysis using SEM and XRD techniques. Morphological and structural analysis revealed that as the duration of ultrasonic treatment increased, the proportion of hard phases in the sample decreased. Additionally, this study evaluated the sorption properties of pyrophyllite. A comparative analysis was conducted between a raw clay sample containing various admixtures and a sample that underwent a 30-minute ultrasonic treatment. The sorption of a methylene blue solution after 24 hours in water was assessed, with UV-Vis analysis revealing that the efficiency of the sonically treated pyrophyllite exceeded 97%, whereas the raw ore exhibited approximately 89% efficiency over the same duration. These findings suggest that the removal of hard phases from pyrophyllite ore enhances its sorption properties
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts
T1  - Improvement of sorption properties of natural clay pyrophyllite by ultrasonic treatment
SP  - 22
EP  - 22
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12305
ER  - 

@conference{
author = "Tošić, Katarina and Mitrović Rajić, Anđela and Milošević Govedarović, Sanja and Mijaković, Sara and Vujačić Nikezić, Ana V. and Grbović Novaković, Jasmina and Paskaš Mamula, Bojana",
year = "2023",
abstract = "Pyrophyllite, a naturally abundant clay material, exhibits remarkable physicochemical characteristics. Its minimal electrical and thermal conductivity, low expansion rate, strong mechanical properties, and outstanding heat resistance make it a valuable resource across diverse industries. Pyrophyllite finds applications in sectors such as paper and plastic manufacturing, brick production, ceramics, cosmetics, rubber processing, and wastewater treatment. Furthermore, its versatility extends to the production of ceramic membranes for efficient water filtration. This paper presents the characterization of natural pyrophyllite ore subjected to ultrasonic treatment at varying time intervals. The ultrasonic treatment aims to eliminate hard phases such as quartz and calcite within the ore, thereby improving its sorption capabilities. The treated samples were subjected to analysis using SEM and XRD techniques. Morphological and structural analysis revealed that as the duration of ultrasonic treatment increased, the proportion of hard phases in the sample decreased. Additionally, this study evaluated the sorption properties of pyrophyllite. A comparative analysis was conducted between a raw clay sample containing various admixtures and a sample that underwent a 30-minute ultrasonic treatment. The sorption of a methylene blue solution after 24 hours in water was assessed, with UV-Vis analysis revealing that the efficiency of the sonically treated pyrophyllite exceeded 97%, whereas the raw ore exhibited approximately 89% efficiency over the same duration. These findings suggest that the removal of hard phases from pyrophyllite ore enhances its sorption properties",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts",
title = "Improvement of sorption properties of natural clay pyrophyllite by ultrasonic treatment",
pages = "22-22",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12305"
}

Tošić, K., Mitrović Rajić, A., Milošević Govedarović, S., Mijaković, S., Vujačić Nikezić, A. V., Grbović Novaković, J.,& Paskaš Mamula, B.. (2023). Improvement of sorption properties of natural clay pyrophyllite by ultrasonic treatment. in 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts
Belgrade : Institute of Technical Sciences of SASA., 22-22.
https://hdl.handle.net/21.15107/rcub_vinar_12305

Tošić K, Mitrović Rajić A, Milošević Govedarović S, Mijaković S, Vujačić Nikezić AV, Grbović Novaković J, Paskaš Mamula B. Improvement of sorption properties of natural clay pyrophyllite by ultrasonic treatment. in 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts. 2023;:22-22.
https://hdl.handle.net/21.15107/rcub_vinar_12305 .

Tošić, Katarina, Mitrović Rajić, Anđela, Milošević Govedarović, Sanja, Mijaković, Sara, Vujačić Nikezić, Ana V., Grbović Novaković, Jasmina, Paskaš Mamula, Bojana, "Improvement of sorption properties of natural clay pyrophyllite by ultrasonic treatment" in 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts (2023):22-22,
https://hdl.handle.net/21.15107/rcub_vinar_12305 .

TY  - CONF
AU  - Mijaković, Sara
AU  - Grbović Novaković, Jasmina
AU  - Tošić, Katarina
AU  - Mitrović Rajić, Anđela
AU  - Paskaš Mamula, Bojana
AU  - Vujačić Nikezić, Ana
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12319
AB  - Nanocomposites synthesized by incorporating nanostructured materials within the interlayer spaces of clay minerals have gained tremendous interest lately, owing to their exceptional physicochemical properties and vast potential in various fields. This study focuses on the mechanochemical activation of pyrophyllite, a commonly used natural clay material, using AgNO3 at different concentrations (2, 5, and 10 wt%). The activation process involved grinding the materials for varying durations ranging from 20 to 320 minutes. The resulting samples were analyzed using FTIR, TGA, and DTA thermal analysis techniques, XRD, SEM with EDX as well as PSD method for particle size distribution analysis. The results have shown a homogeneous distribution of silver along the analyzed surface. The duration of grinding and the amount of added silver greatly influence the composite physicochemical properties.
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts
T1  - Physicochemical characterization of mechanochemically activated pyrophyllite/Ag composites
SP  - 46
EP  - 46
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12319
ER  - 

@conference{
author = "Mijaković, Sara and Grbović Novaković, Jasmina and Tošić, Katarina and Mitrović Rajić, Anđela and Paskaš Mamula, Bojana and Vujačić Nikezić, Ana",
year = "2023",
abstract = "Nanocomposites synthesized by incorporating nanostructured materials within the interlayer spaces of clay minerals have gained tremendous interest lately, owing to their exceptional physicochemical properties and vast potential in various fields. This study focuses on the mechanochemical activation of pyrophyllite, a commonly used natural clay material, using AgNO3 at different concentrations (2, 5, and 10 wt%). The activation process involved grinding the materials for varying durations ranging from 20 to 320 minutes. The resulting samples were analyzed using FTIR, TGA, and DTA thermal analysis techniques, XRD, SEM with EDX as well as PSD method for particle size distribution analysis. The results have shown a homogeneous distribution of silver along the analyzed surface. The duration of grinding and the amount of added silver greatly influence the composite physicochemical properties.",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts",
title = "Physicochemical characterization of mechanochemically activated pyrophyllite/Ag composites",
pages = "46-46",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12319"
}

Mijaković, S., Grbović Novaković, J., Tošić, K., Mitrović Rajić, A., Paskaš Mamula, B.,& Vujačić Nikezić, A.. (2023). Physicochemical characterization of mechanochemically activated pyrophyllite/Ag composites. in 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts
Belgrade : Institute of Technical Sciences of SASA., 46-46.
https://hdl.handle.net/21.15107/rcub_vinar_12319

Mijaković S, Grbović Novaković J, Tošić K, Mitrović Rajić A, Paskaš Mamula B, Vujačić Nikezić A. Physicochemical characterization of mechanochemically activated pyrophyllite/Ag composites. in 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts. 2023;:46-46.
https://hdl.handle.net/21.15107/rcub_vinar_12319 .

Mijaković, Sara, Grbović Novaković, Jasmina, Tošić, Katarina, Mitrović Rajić, Anđela, Paskaš Mamula, Bojana, Vujačić Nikezić, Ana, "Physicochemical characterization of mechanochemically activated pyrophyllite/Ag composites" in 21st Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts (2023):46-46,
https://hdl.handle.net/21.15107/rcub_vinar_12319 .

TY  - CONF
AU  - Grbović Novaković, Jasmina
AU  - Mitrović Rajić, Anđela
AU  - Tošić, Katarina
AU  - Mijaković, Sara
AU  - Milošević Govedarović, Sanja
AU  - Vujačić Nikezić, Ana
AU  - Paskaš Mamula, Bojana
AU  - Kustura, Jasmina
AU  - Kurtanović, Enita
AU  - Halilhodžić, Belma
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12508
AB  - The work aims to design a pyrophyllite-modified carbon paste electrode for pesticide detection in aqueous solutions. The structural and morphological characterization of natural pyrophyllite clay for Parsovići mine, Bosnia and Herzegovina, and mechanically modified pyrophyllite was performed using X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and particle size analysis (PSD). The electrochemical characteristics of the constructed electrode were investigated using cyclic voltammetry in 1 mM K4Fe(CN)6 in 0.1 M KCl and 0.5 M H2SO4 and differential pulse stripping voltammetry in Britton- Robinson buffer at pH 2-8. It was shown that the maximum at + 0.96 V versus Ag/AgCl originates from oxidation by carbendazim at pH 4 in the Britton-Robinson buffer. The electrode designed in this way showed numerous advantages such as good stability and sensitivity. The developed analytical method is linear over the range of 1 ppm to 10 ppm with r=0.999 and a detection limit of 0.3 ppm.
PB  - Zenica : Univerzitet u Zenici, Metalurško-tehnološki fakultet
C3  - 14th Scientific - Research Symposium with International Participation "Metallic and Nonmetallic Materials" : Book of Abstracts with Electronic Edition of Proceedings = XIV Naučno - stručni simpozijum sa međunarodnim učešćem "Metalni i nemetalni materijali" : knjiga abstrakta sa elektronskim izdanjem Zbornika radova
T1  - Pyrophyllite-Modified Carbon Paste Electrode for Carbendazim Detection in Water and Food
SP  - 1
EP  - 9
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12508
ER  - 

@conference{
author = "Grbović Novaković, Jasmina and Mitrović Rajić, Anđela and Tošić, Katarina and Mijaković, Sara and Milošević Govedarović, Sanja and Vujačić Nikezić, Ana and Paskaš Mamula, Bojana and Kustura, Jasmina and Kurtanović, Enita and Halilhodžić, Belma",
year = "2023",
abstract = "The work aims to design a pyrophyllite-modified carbon paste electrode for pesticide detection in aqueous solutions. The structural and morphological characterization of natural pyrophyllite clay for Parsovići mine, Bosnia and Herzegovina, and mechanically modified pyrophyllite was performed using X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and particle size analysis (PSD). The electrochemical characteristics of the constructed electrode were investigated using cyclic voltammetry in 1 mM K4Fe(CN)6 in 0.1 M KCl and 0.5 M H2SO4 and differential pulse stripping voltammetry in Britton- Robinson buffer at pH 2-8. It was shown that the maximum at + 0.96 V versus Ag/AgCl originates from oxidation by carbendazim at pH 4 in the Britton-Robinson buffer. The electrode designed in this way showed numerous advantages such as good stability and sensitivity. The developed analytical method is linear over the range of 1 ppm to 10 ppm with r=0.999 and a detection limit of 0.3 ppm.",
publisher = "Zenica : Univerzitet u Zenici, Metalurško-tehnološki fakultet",
journal = "14th Scientific - Research Symposium with International Participation "Metallic and Nonmetallic Materials" : Book of Abstracts with Electronic Edition of Proceedings = XIV Naučno - stručni simpozijum sa međunarodnim učešćem "Metalni i nemetalni materijali" : knjiga abstrakta sa elektronskim izdanjem Zbornika radova",
title = "Pyrophyllite-Modified Carbon Paste Electrode for Carbendazim Detection in Water and Food",
pages = "1-9",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12508"
}

Grbović Novaković, J., Mitrović Rajić, A., Tošić, K., Mijaković, S., Milošević Govedarović, S., Vujačić Nikezić, A., Paskaš Mamula, B., Kustura, J., Kurtanović, E.,& Halilhodžić, B.. (2023). Pyrophyllite-Modified Carbon Paste Electrode for Carbendazim Detection in Water and Food. in 14th Scientific - Research Symposium with International Participation "Metallic and Nonmetallic Materials" : Book of Abstracts with Electronic Edition of Proceedings = XIV Naučno - stručni simpozijum sa međunarodnim učešćem "Metalni i nemetalni materijali" : knjiga abstrakta sa elektronskim izdanjem Zbornika radova
Zenica : Univerzitet u Zenici, Metalurško-tehnološki fakultet., 1-9.
https://hdl.handle.net/21.15107/rcub_vinar_12508

Grbović Novaković J, Mitrović Rajić A, Tošić K, Mijaković S, Milošević Govedarović S, Vujačić Nikezić A, Paskaš Mamula B, Kustura J, Kurtanović E, Halilhodžić B. Pyrophyllite-Modified Carbon Paste Electrode for Carbendazim Detection in Water and Food. in 14th Scientific - Research Symposium with International Participation "Metallic and Nonmetallic Materials" : Book of Abstracts with Electronic Edition of Proceedings = XIV Naučno - stručni simpozijum sa međunarodnim učešćem "Metalni i nemetalni materijali" : knjiga abstrakta sa elektronskim izdanjem Zbornika radova. 2023;:1-9.
https://hdl.handle.net/21.15107/rcub_vinar_12508 .

Grbović Novaković, Jasmina, Mitrović Rajić, Anđela, Tošić, Katarina, Mijaković, Sara, Milošević Govedarović, Sanja, Vujačić Nikezić, Ana, Paskaš Mamula, Bojana, Kustura, Jasmina, Kurtanović, Enita, Halilhodžić, Belma, "Pyrophyllite-Modified Carbon Paste Electrode for Carbendazim Detection in Water and Food" in 14th Scientific - Research Symposium with International Participation "Metallic and Nonmetallic Materials" : Book of Abstracts with Electronic Edition of Proceedings = XIV Naučno - stručni simpozijum sa međunarodnim učešćem "Metalni i nemetalni materijali" : knjiga abstrakta sa elektronskim izdanjem Zbornika radova (2023):1-9,
https://hdl.handle.net/21.15107/rcub_vinar_12508 .

TY  - CONF
AU  - Mitrović Rajić, Anđela
AU  - Tošić, Katarina
AU  - Mijaković, Sara
AU  - Milošević Govedarović, Sanja
AU  - Vujačić Nikezić, Ana
AU  - Paskaš Mamula, Bojana
AU  - Grbović Novaković, Jasmina
PY  - 2023
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12513
AB  - Ovaj rad ima za cilj da dizajnira elektrodu od ugljenične paste modifikovanu pirofilitom za
potencijalnu upotrebu za detekciju pesticida u vodenim rastvorima. Strukturna i morfološka
karakterizacija prirodne gline pirofilit i mehanički modifikovanog pirofilita urađena je
rendgenostrukturnom analizom i skenirajućom elektronskom mikroskopijom. Elektrohemijske
karakteristike ove elektrode ispitivane su cikličnom voltametrijom u 1 mM K4Fe(CN)6 u 0,1 M
KCl i 0,5 M H2SO4 i diferencijalnom pulsnom „striping“ voltametrijom u Briton-Robinsonovom
puferu na pH 4. Pokazano je da maksimum na + 0,96 V u odnosu na Ag/AgCl elektrodu potiče
od oksidacije karbendazima na pH 4 u Briton-Robinsonovom puferu. Dobru stabilnost i
osetljivost pokazala je elektroda koja je sadržala 50% ugljenične paste i 50% pirofilita mehanički
modifikovanog 15 minuta u mlinu sa kuglama. Razvijena metoda je linearna u opsegu od 1 ppm
do 10 ppm sa r= 0,999 i granicom detekcije od 0,3 ppm.
PB  - Novi Sad : Prirodno-matematički fakultet
C3  - 10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova
T1  - Detekcija fungicida karbendazima u vodi primenom elektrode od ugljenične paste modifikovane pirofilitom
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12513
ER  - 

@conference{
author = "Mitrović Rajić, Anđela and Tošić, Katarina and Mijaković, Sara and Milošević Govedarović, Sanja and Vujačić Nikezić, Ana and Paskaš Mamula, Bojana and Grbović Novaković, Jasmina",
year = "2023",
abstract = "Ovaj rad ima za cilj da dizajnira elektrodu od ugljenične paste modifikovanu pirofilitom za
potencijalnu upotrebu za detekciju pesticida u vodenim rastvorima. Strukturna i morfološka
karakterizacija prirodne gline pirofilit i mehanički modifikovanog pirofilita urađena je
rendgenostrukturnom analizom i skenirajućom elektronskom mikroskopijom. Elektrohemijske
karakteristike ove elektrode ispitivane su cikličnom voltametrijom u 1 mM K4Fe(CN)6 u 0,1 M
KCl i 0,5 M H2SO4 i diferencijalnom pulsnom „striping“ voltametrijom u Briton-Robinsonovom
puferu na pH 4. Pokazano je da maksimum na + 0,96 V u odnosu na Ag/AgCl elektrodu potiče
od oksidacije karbendazima na pH 4 u Briton-Robinsonovom puferu. Dobru stabilnost i
osetljivost pokazala je elektroda koja je sadržala 50% ugljenične paste i 50% pirofilita mehanički
modifikovanog 15 minuta u mlinu sa kuglama. Razvijena metoda je linearna u opsegu od 1 ppm
do 10 ppm sa r= 0,999 i granicom detekcije od 0,3 ppm.",
publisher = "Novi Sad : Prirodno-matematički fakultet",
journal = "10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova",
title = "Detekcija fungicida karbendazima u vodi primenom elektrode od ugljenične paste modifikovane pirofilitom",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12513"
}

Mitrović Rajić, A., Tošić, K., Mijaković, S., Milošević Govedarović, S., Vujačić Nikezić, A., Paskaš Mamula, B.,& Grbović Novaković, J.. (2023). Detekcija fungicida karbendazima u vodi primenom elektrode od ugljenične paste modifikovane pirofilitom. 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_12513

Mitrović Rajić A, Tošić K, Mijaković S, Milošević Govedarović S, Vujačić Nikezić A, Paskaš Mamula B, Grbović Novaković J. Detekcija fungicida karbendazima u vodi primenom elektrode od ugljenične paste modifikovane pirofilitom. in 10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova. 2023;.
https://hdl.handle.net/21.15107/rcub_vinar_12513 .

Mitrović Rajić, Anđela, Tošić, Katarina, Mijaković, Sara, Milošević Govedarović, Sanja, Vujačić Nikezić, Ana, Paskaš Mamula, Bojana, Grbović Novaković, Jasmina, "Detekcija fungicida karbendazima u vodi primenom elektrode od ugljenične paste modifikovane pirofilitom" in 10. memorijalni naučni skup iz zaštite životne sredine "docent dr Milena Dalmacija" : Knjiga radova (2023),
https://hdl.handle.net/21.15107/rcub_vinar_12513 .