| 质谱同位素稀释法测定U_3O_8标样中痕量Th |
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| 引用本文： | 毕松苓,孟宪厚.质谱同位素稀释法测定U_3O_8标样中痕量Th[J].分析测试学报,1990(3). |
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| 作者姓名： | 毕松苓 孟宪厚 |
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| 作者单位： | 核工业部北京第五研究所
(毕松苓)，核工业部北京第五研究所(孟宪厚) |
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| 摘 要： | 以~(230)Th作稀释剂用IDMS测定了U_3O_8标样中痕量Th。取样1g,先在9mol/l HCI体系中用阴离子交换法除去大量U及Fe、Pb等杂质,进而以CL5209型萃淋树脂分离Th。本法测Th的检出限为2.4×10~(-9)g。分析含Th 0.873 ppm 的U_3O_3试样时方法的精密度为±3.3%。
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| 关 键 词： | IDMS Th ~(230)Th ~(234)Th示踪 萃淋树脂 U_3O_8 |
The Determination of Trace Thorium in Standard Sample of U_3O_8 by Isotope Dilution Mass Spectrometry (IDMS) |
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| Bi Songling,Meng Xianhou Beijing Fifth Rearch Institute of Nuclear Ministry.The Determination of Trace Thorium in Standard Sample of U_3O_8 by Isotope Dilution Mass Spectrometry (IDMS)[J].Journal of Instrumental Analysis,1990(3). |
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| Authors: | Bi Songling Meng Xianhou Beijing Fifth Rearch Institute of Nuclear Ministry |
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| Institution: | Bi Songling;Meng Xianhou Beijing Fifth Rearch Institute of Nuclear Ministry |
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| Abstract: | |
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| Keywords: | IDMS Th ~(230)Th ~(234)Th U_2O_8 Tracer CL-5209 extractant-containing resin |
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