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Determination of specific activity of 230Th in uranium ore samples |
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| Authors: | ZHAO Yunlong GU Dingxiang LI Ronghui DENG Gang LIANG Yutang WU Zhaohui HUANG Qiuhong TIAN Guiying WANG Bin CHEN Caifang |
| Abstract: | A new method suitable for determining specific activity of 230Th in uranium ore samples is built. The method is characterized by adding the 230Th/ 232Th standard dilution agent with lower activity ratio (Its 230Th/ 232Th activity ratio and 230Th have been known) to the samples and using isotopic dilution analysis. The method can be applied to analyses of 230Th specific activity in various 230Th/ 232Th activity ratio samples. The precision can also be improved. |
| Keywords: | 230Th/ 232Th activity ratio 230Th specific activity activity ratio dilution analysis uranium ores |
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