TY  - CONF
AU  - Tursunović, Emina
AU  - Janković, Marija
AU  - Daković, Marko
AU  - Sarap, Nataša
AU  - Krneta Nikolić, Jelena
AU  - Rajačić, Milica
AU  - Vukanac, Ivana
PY  - 2022
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12595
AB  - Tritium, radioactive isotope of hydrogen, is produced naturally in the upper atmosphere between nitrogen atoms with high energy cosmic rays. Anthropogenic production has disturbed the natural levels of tritium by nuclear atmospheric tests between 1945 and 1963. Tritium is a pure beta emitter with half-life of 12.32 years. Since the main way to eliminate tritium from the atmosphere is through precipitation, whether of natural or artificial origin, tritium easily reaches surface waters and soil from where it can infiltrate into the groundwater and thus enters in the hydrological cycle. Accordingly, knowing the concentration of tritium in precipitation is of essential importance. This paper presents determination of tritium in precipitation collected at Reference Meteorological Station Zeleno Brdo in Belgrade during 2019. Analysis is done in composite monthly samples. Sample preparation involves the first distillation, electrolysis and the second distillation. Samples were measured by Liquid Scintillation Spectrometer Quantulus 1220 after electrolytic enrichment by mixing 8 ml of sample with 12 ml of scintillation cocktail. Tritium activity concentration in analyzed precipitation samples follows normal seasonal variations with maximum in spring-summer months. Based on the monthly amount of precipitation, that is available on the website of the Republic Hydrometeorological Servise of Serbia, it is possible to estimate the deposition of tritium on the earth's surface. The wettest months of 2019 were May and June, and since tritium concentrations are the highest in these months (June: 2.89 Bq/l), the highest value of deposited tritium is obtained in June: 400,8 Bq/m2 . In accordance with the legislation in the Republic of Serbia, the permitted values of tritium are defined only for drinking water (100 Bq/l). An elevated tritium level may indicate the presence of other artificial radionuclides. If an increased activity of tritium is detected, it is necessary to perform an analysis of specific activities for the other artificial radionuclides.
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - 20th Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts
T1  - An assessment of tritium deposition on the earth's surface
SP  - 82
EP  - 82
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12595
ER  - 

@conference{
author = "Tursunović, Emina and Janković, Marija and Daković, Marko and Sarap, Nataša and Krneta Nikolić, Jelena and Rajačić, Milica and Vukanac, Ivana",
year = "2022",
abstract = "Tritium, radioactive isotope of hydrogen, is produced naturally in the upper atmosphere between nitrogen atoms with high energy cosmic rays. Anthropogenic production has disturbed the natural levels of tritium by nuclear atmospheric tests between 1945 and 1963. Tritium is a pure beta emitter with half-life of 12.32 years. Since the main way to eliminate tritium from the atmosphere is through precipitation, whether of natural or artificial origin, tritium easily reaches surface waters and soil from where it can infiltrate into the groundwater and thus enters in the hydrological cycle. Accordingly, knowing the concentration of tritium in precipitation is of essential importance. This paper presents determination of tritium in precipitation collected at Reference Meteorological Station Zeleno Brdo in Belgrade during 2019. Analysis is done in composite monthly samples. Sample preparation involves the first distillation, electrolysis and the second distillation. Samples were measured by Liquid Scintillation Spectrometer Quantulus 1220 after electrolytic enrichment by mixing 8 ml of sample with 12 ml of scintillation cocktail. Tritium activity concentration in analyzed precipitation samples follows normal seasonal variations with maximum in spring-summer months. Based on the monthly amount of precipitation, that is available on the website of the Republic Hydrometeorological Servise of Serbia, it is possible to estimate the deposition of tritium on the earth's surface. The wettest months of 2019 were May and June, and since tritium concentrations are the highest in these months (June: 2.89 Bq/l), the highest value of deposited tritium is obtained in June: 400,8 Bq/m2 . In accordance with the legislation in the Republic of Serbia, the permitted values of tritium are defined only for drinking water (100 Bq/l). An elevated tritium level may indicate the presence of other artificial radionuclides. If an increased activity of tritium is detected, it is necessary to perform an analysis of specific activities for the other artificial radionuclides.",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "20th Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts",
title = "An assessment of tritium deposition on the earth's surface",
pages = "82-82",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12595"
}

Tursunović, E., Janković, M., Daković, M., Sarap, N., Krneta Nikolić, J., Rajačić, M.,& Vukanac, I.. (2022). An assessment of tritium deposition on the earth's surface. in 20th Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts
Belgrade : Institute of Technical Sciences of SASA., 82-82.
https://hdl.handle.net/21.15107/rcub_vinar_12595

Tursunović E, Janković M, Daković M, Sarap N, Krneta Nikolić J, Rajačić M, Vukanac I. An assessment of tritium deposition on the earth's surface. in 20th Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts. 2022;:82-82.
https://hdl.handle.net/21.15107/rcub_vinar_12595 .

Tursunović, Emina, Janković, Marija, Daković, Marko, Sarap, Nataša, Krneta Nikolić, Jelena, Rajačić, Milica, Vukanac, Ivana, "An assessment of tritium deposition on the earth's surface" in 20th Young Researchers' Conference Materials Sciences and Engineering : program and the book of abstracts (2022):82-82,
https://hdl.handle.net/21.15107/rcub_vinar_12595 .