Rapid determination of 89Sr and 90Sr in radioactive waste using Sr extraction disk and beta-ray spectrometer

被引：23

作者：

Kameo, Y. ^{[1
]}

Katayama, A. ^{[1
]}

Fujiwara, A. ^{[1
]}

Haraga, T. ^{[1
]}

Nakashima, M. ^{[1
]}

机构：

[1] Japan Atom Energy Agcy, Tokai Res & Dev Ctr, Ibaraki 3191195, Japan

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2007年 / 274卷 / 01期

关键词：

Radioactive Waste; Radiochemical Yield; 90Sr Ratio; Counting Efficiency; Radioactive Liquid Waste;

D O I：

10.1007/s10967-006-6905-1

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A rapid determination method in which beta-ray spectrometry was combined with solid phase extraction using Sr Rad Disk was developed for the determination of Sr-89 and Sr-90 in low- level radioactive waste. Various amounts of 89Sr, 90Sr, and Y-90 retained by the Sr Rad Disk was measured by a beta- ray spectrometer, and it was found that both Sr-89 and Sr-90 were simultaneously determined with < 30% error (2 sigma) at Sr-89/Sr-90 radioactivity ratio of 0.3 to 45. The present method was successfully applied to actual radioactive liquid waste samples arising from nuclear facilities in Japan Atomic Energy Agency. Strontium was simply separated from interfering nuclides such as Cs-137 and Eu-154, and matrix components by the Sr Rad Disk, and the results obtained by beta- ray spectrometry was in good agreement with that of the conventional analysis.

引用

页码：71 / 78

页数：8

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