| 一种新试剂在岩石钍含量测定中的应用 |
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| 引用本文： | 王秀兰.一种新试剂在岩石钍含量测定中的应用[J].地质科学,1991,0(3):298-303. |
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| 作者姓名： | 王秀兰 |
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| 作者单位： | 中国科学院地质研究所 |
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| 摘 要： | CPA-pB 是一种新的高灵敏钍显色剂。作者采用试剂测定岩石申钍的含量,用分光光度法进行了试验研究。各种条件试验结果表明,该试剂水溶液性能稳定,试剂与微量钍可形成稳定的络合物,而且具有显色速度快、反应灵敏、选择性好等优点。采用此试剂进行岩石钍含量测定时,样品中的干扰元素用离子交换树脂进行分离,以分光光度测定可以得到满意的结果。
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| 关 键 词： | 试剂 分光光度测定 离子交换树脂 反应速度 |
| 收稿时间： | 1989-06-01 |
| 修稿时间： | 1989-06-01; |
APPLICATION OF A NEW REAGENT TO DETERMINING MICROTHORIUM CONTENT IN ROCKS |
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| Wang Xiulan.APPLICATION OF A NEW REAGENT TO DETERMINING MICROTHORIUM CONTENT IN ROCKS[J].Chinese Journal of Geology,1991,0(3):298-303. |
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| Authors: | Wang Xiulan |
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| Institution: | Institute of Geology, Academia Sintca, Beijing |
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| Abstract: | The CPA-pB is a new and high sensrive chromogenic reagent for thorium. Experiment on determination of thorium content in rock samples using the new reagent with spectrophoto-nietric method was made by the author. The experimental results under various conditions indicate that water solution of this reagent is stable, and that stable complex compound may be formed with microthorium. Color reaction velocity of the reagent is rapid and sensitive, and its selective property is well. The result on separation of disturbed elements in rock samples using ion-exchange resin and spectrophorometry is sarisfactory. |
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| Keywords: | thorium CAP-pB reagen spectrophotometry ion-exchange resin reactionclocity |
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