| DBS-偶氮胂光度法测定微量铀的研究与应用 |
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| 引用本文： | 李耀国,杨夏.DBS-偶氮胂光度法测定微量铀的研究与应用[J].国外铀金地质,2012(3):183-186. |
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| 作者姓名： | 李耀国 杨夏 |
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| 作者单位： | 陕西核工业地质局224大队,陕西西安710024 |
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| 摘 要： | 研究了在H3PO4介质中，以TiCl3为还原剂的U（Ⅳ）与DBS-偶氮胂反应的条件及配合比，样品分析结果证明：该方法可满足微量铀分析要求。
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| 关 键 词： | DBS-偶氮胂 分光光度计 微量铀 |
Determination of trace U by spectrophometry of DBS-Arsenazo |
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| Authors: | LI Yao-guo YANG Xia |
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| Institution: | (Geological Party No.224, Shaanxi Nuclear Geology Bureau, Xi＇an, Shaanxi 710024, China) |
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| Abstract: | This essay is a study on the conditions and ratio of reaction eomplexing between U （Ⅳ） and DBS-arsenazo in the solution of phosphate, with reductant of TICl3. The analysis result of samples shows that this method can he applied to determine trace U. |
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| Keywords: | DBS-arsenazo spectrophotometry trace U |
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