| 新显色剂QDMOP的合成及其光度法测定水中微量铜 |
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| 引用本文： | 汪鲁宁,董学畅,候霞,杨金美.新显色剂QDMOP的合成及其光度法测定水中微量铜[J].云南化工,2007,34(3):41-43. |
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| 作者姓名： | 汪鲁宁 董学畅 候霞 杨金美 |
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| 作者单位： | 云南民族大学,化学与生物技术学院,云南昆明,650031 |
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| 摘 要： | 研究了新显色试剂QDMOP(2-(2’-喹啉偶氮)-4,5-二甲氧基苯酚)的合成及与铜的显色反应,在pH=5.5的HAc-NaAc缓冲介质中,在CTMAB存在下,QDMOP与铜反应生成2:1稳定的红色配合物,λmax=552 nm,摩尔吸光系数ε为7.328×104L.mol-1.cm-1,铜含量在0~10μg/25 mL内符合比尔定律。
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| 关 键 词： | 2-(2'-喹啉偶氮)-4 5-二甲氧基苯酚 铜 分光光度法 |
| 文章编号： | 1004-275X（2007）03-0041-03 |
| 修稿时间： | 2007-03-07 |
Synthesis of 2 - ( 2' - Quinolinlazo) - 4,5 - Dimethyoxyphenol and Spectrophotometric Determination of Copper in Water |
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| Wang Luning,Dong Xuechang,Hou Xia,Yang Jinmei.Synthesis of 2 - ( 2'''' - Quinolinlazo) - 4,5 - Dimethyoxyphenol and Spectrophotometric Determination of Copper in Water[J].Yunnan Chemical Technology,2007,34(3):41-43. |
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| Authors: | Wang Luning Dong Xuechang Hou Xia Yang Jinmei |
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| Affiliation: | School of Chemistry and Biological Technology, Yunnan University for Nationalities, Kunming 650031, China |
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| Abstract: | 2-(2'-Quinolinlazo)-4,5-dimethyoxyphenol(QDMOP) was synthesized and its reaction with Cu2+ was studied.In the medium of CTMAB(HAc-NaAc buffer solution,pH 5.5) a stable 2:1 red complex of QDMOP with Cu2+ was formed,which was accord with Beer's law in the range of 0~ 10.0 g /25 ml.The molar absorption was 7.328′10-4 L·mol-1·cm-1 at 552 nm.The method was applied to the determination of copper in water with satisfactory results. |
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| Keywords: | 2-(2'-quinolinlazo)-4 5-dimethyoxypheno copper spectrophotometry |
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