Determination of ultratrace-levels of 99Tc in low-level radioactive waste samples using ICP-QMS
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- 作者：Te-Yen Su ; Tsuey-Lin Tsai ; Hsin-Chieh Wu…
- 关键词：99Tc ; Inductively coupled plasma ; quadrupole mass spectrometry (ICP ; QMS) ; Low ; level radioactive wastes (LLW)
- 刊名：Journal of Radioanalytical and Nuclear Chemistry
- 出版年：2015
- 出版时间：February 2015
- 年：2015
- 卷：303
- 期：2
- 页码：1245-1248
- 全文大小：307 KB
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19. Tyan YC, Wu HC, Liu KT, Tsai HI, Tsai TL, Yang MH, Wang CC, Jong SB (2010) Determination of technetium-99 in environmental samples by fow injection-ICP-MS. Chemistry (The Chinese Chemical Society, Taipei) 68(3):1- - 作者单位：Te-Yen Su (1)
Tsuey-Lin Tsai (1)
Hsin-Chieh Wu (1)
Lee-Chung Men (1)
1. Chemistry Division, Institute of Nuclear Energy Research, Longtan, Taoyuan, 32546, Taiwan, R.O.C. - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Nuclear Chemistry
Physical Chemistry
Nuclear Physics, Heavy Ions and Hadrons
Diagnostic Radiology
Inorganic Chemistry - 出版者：Akad茅miai Kiad贸, co-published with Springer Science+Business Media B.V., Formerly Kluwer Academic
- ISSN：1588-2780
文摘
This paper proposes a rapid, accurate method of measuring 99Tc in low-level radioactive waste using microwave digestion, TEVA resin for chemical separation, and inductively coupled plasma-quadrupole mass spectrometry (ICP-QMS). The minimum detectable activity of ICP-QMS for the determination of 99Tc was 8.5?mBq?g? (13.6?pg?g?). The proposed method achieved chemical recovery of 88?% and with sensitivity superior to that of alternative radiochemical methods (e.g., liquid scintillation analyzer or LSA) when the data acquisition time for identical, low-concentration samples was taken into account.