- Tytuł:
- Influence of natural radium contamination of barium chloride on the determination of radium isotopes in the water samples using α/β liquid scintillation spectrometry
- Autorzy:
-
Dinh, C. N.
Czechowska, M.
Nowak, J.
Jodłowski, P. - Powiązania:
- https://bibliotekanauki.pl/articles/147718.pdf
- Data publikacji:
- 2016
- Wydawca:
- Instytut Chemii i Techniki Jądrowej
- Tematy:
-
α/β liquid scintillation spectrometry
barium chloride
radium isotopes
detection limit - Opis:
- The determination of radium isotopes in drinking water by liquid scintillation technique requires some reagents that are used for separating radium from water samples. One of the main reagents is BaCl2·H2O. This paper presents the study of this compound and shows that barium chloride reagent is naturally contaminated with 226Ra. The 226Ra activity concentration in BaCl2·H2O reagent produced by chemical companies from Poland and other countries is equal to a few dozen Bq/kg. Furthermore, 14 mL of 0.10 M BaCl2·H2O solution is the optimum amount which should be used for the chemical procedure. At the optimum amount of barium chloride and 2-hour measurement, the detection limit of 226Ra and 228Ra of the liquid scintillation counting method is equal to 5 and 30 mBq per sample, respectively.
- Źródło:
-
Nukleonika; 2016, 61, 4; 467-471
0029-5922
1508-5791 - Pojawia się w:
- Nukleonika
- Dostawca treści:
- Biblioteka Nauki