| 碱式硫酸铬中微量Cr(6价)的测定 |
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| 引用本文： | 王哲丹,王英强. 碱式硫酸铬中微量Cr(6价)的测定[J]. 精细化工中间体, 2004, 34(1): 63-64 |
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| 作者姓名： | 王哲丹 王英强 |
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| 作者单位： | 中国石化股份公司,巴陵分公司,湖南,岳阳,414003;湖南化工研究院,湖南,长沙,410007 |
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| 摘 要： | 采用磷酸三丁酯萃取分离碱式硫酸铬中CrO2-4与Cr3+,CrO2-4被有机溶剂萃取后直接显色,通过分光光度法进行定量分析。方法加标回收率为97 6%～99 1%,变异系数1 9%。
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| 关 键 词： | 碱式硫酸铬 CrO2-7 分光光度法 萃取分离 |
| 文章编号： | 1009-9212(2004)01-0063-02 |
| 修稿时间： | 2003-10-12 |
Determination of Micogram Amount of Chromium (6+) in Basic Chromium Sulphate by Spectrophotometry |
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| WANG Zhe-dan,WANG Ying-qiang. Determination of Micogram Amount of Chromium (6+) in Basic Chromium Sulphate by Spectrophotometry[J]. Fine Chemical Intermediates, 2004, 34(1): 63-64 |
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| Authors: | WANG Zhe-dan WANG Ying-qiang |
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| Affiliation: | WANG Zhe-dan~1,WANG Ying-qiang~2 |
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| Abstract: | The determination of chromium(6+), which was extracted from basic chromium sulfate with tributyl phasphate (TBP), was studied. The recovery is 97.6%～99.1%, and the RSD is 1.9%. |
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| Keywords: | basic chromium sulphate chromium(6+) spectrophotometry extraction |
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