Analytical method for the determination of gross beta, 90Sr, 226Ra and Pu isotopes in environmental samples

被引：3

作者：

Kim, Hyuncheol ^{[1
]}

Lim, Jong-Myoung ^{[1
]}

Chung, Kun Ho ^{[1
]}

Lee, Wanno ^{[1
]}

机构：

[1] Korea Atom Energy Res Inst, Environm Radioact Assessment Team, 989-111 Daedeok Daero, Daejeon 34057, South Korea

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2017年 / 312卷 / 03期

关键词：

Gross beta; Sr-90; Pu; Radium; Environmental sample; Proficiency test; LIQUID SCINTILLATION; PROFICIENCY TEST; EXERCISE;

D O I：

10.1007/s10967-017-5240-z

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This study presents analytical methods for the determination of gross beta, Sr-90, Ra-226 and Pu isotopes using samples in the IAEA-TEL-2015-04 ALMERA Proficiency Test exercise. Samples for gross beta were prepared by evaporation and then analyzed using a gas proportional counter. Sr-90 in the liquid sample was concentrated as SrCO3 precipitates and purified by Sr resin. Pu isotopes and Sr-90 in the soil sample were extracted from the sample by mineral acid leaching and separated using TEVA and Sr resin, respectively. Pu isotopes were determined by alpha spectrometry and Sr-90 were determined with a liquid scintillation counter. Radium in the soil sample was extracted by LiBO2 fusion, and the radon-emanation method using LSC was applied for the determination of Ra-226.

引用

页码：523 / 529

页数：7

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