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首页> 外文期刊>Journal of Radioanalytical and Nuclear Chemistry: An International Journal Dealing with All Aspects and Applications of Nuclear Chemistry >Measurement of H-3, Cl-36, Na-22, Sr-85 and Ba-133 activities from synthetic groundwater
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Measurement of H-3, Cl-36, Na-22, Sr-85 and Ba-133 activities from synthetic groundwater

机译：测量合成地下水中的H-3，Cl-36，Na-22，Sr-85和Ba-133活性

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摘要

Radioactive elements (H-3, Cl-36, Na-22, Sr-85 and Ba-133) was used and measured in one of the in-situ experiments. The separation scheme had to be developed and optimized. Cl-36 was first extracted by silver chloride precipitation and then Sr-85 and Ba-133 were extracted by Sr/Ba carbonate precipitation after which activities of H-3 and Cl-36 were measured by liquid scintillation counting while activities of gamma emitters (Na-22, Sr-85 and Ba-133) were measured by gamma spectrometry from the initial solution. In the precipitation, the recoveries of Cl-36 and Sr-85 were 100 % while the recovery of Ba-133 was about 85 %. The detection limit of H-3 was 0.1 Bq g(-1) whereas the detection limit of Cl-36 was 0.05 Bq g(-1).
机译：使用放射性元素（H-3，Cl-36，Na-22，Sr-85和Ba-133）并在其中一项原位实验中进行了测量。分离方案必须开发和优化。首先通过氯化银沉淀法提取Cl-36，然后通过Sr / Ba碳酸盐沉淀法提取Sr-85和Ba-133，然后通过液体闪烁计数法测量H-3和Cl-36的活性，同时γ发射体的活性（ Na-22，Sr-85和Ba-133）通过伽马光谱法从初始溶液中测量。在沉淀过程中，Cl-36和Sr-85的回收率为100％，而Ba-133的回收率为约85％。 H-3的检出限为0.1 Bq g（-1），而Cl-36的检出限为0.05 Bq g（-1）。

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