| 萃取光度法测定电镀废水中的微量Cr(Ⅵ) |
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| 引用本文： | 徐瑞银. 萃取光度法测定电镀废水中的微量Cr(Ⅵ)[J]. 光谱学与光谱分析, 2003, 23(6): 1221-1223 |
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| 作者姓名： | 徐瑞银 |
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| 作者单位： | 北京科技大学土木与环境工程学院,北京,100083 |
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| 摘 要： | 利用二甲基吲哚羰花青(DIC)染料与Cr(Ⅵ)配合物的显色反应,对含Cr(Ⅵ)电镀废水中痕量铬(Ⅵ)进行测定。结果表明,在H_2SO_4介质中,甲苯萃取显色反应物具有高的灵敏度,反应产物的最大吸收波长为560nm;摩尔吸光系数为2.5×10~5L·mol(-1)·cm~(-1)。Cr(Ⅵ)量在0.01～2.1mg·L~(-1)范围内符合比尔定律。该法用于测定电镀废水中的铬(Ⅵ),得到了满意的结果。
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| 关 键 词： | 分光光度法 电镀废水 铬(Ⅵ) |
| 文章编号： | 1000-0593(2003)06-1221-03 |
| 修稿时间： | 2002-06-28 |
Determination of Minim Chromium(Ⅵ) in Electroplating wastewater by Extraction Spectrophotometry |
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| XU Rui-yinCivil and Environmental Engineering School,University of Science and Technology Beijing,Beijing ,China. Determination of Minim Chromium(Ⅵ) in Electroplating wastewater by Extraction Spectrophotometry[J]. Spectroscopy and Spectral Analysis, 2003, 23(6): 1221-1223 |
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| Authors: | XU Rui-yinCivil Environmental Engineering School University of Science Technology Beijing Beijing China |
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| Affiliation: | XU Rui-yinCivil and Environmental Engineering School,University of Science and Technology Beijing,Beijing 100083,China |
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