Spectrophotometric determination of copper (II) in industrial effluent samples using sulfanilic acid as a ligand system

被引：0
作者：
Vadiraj, K. T. [1 ]
Belagali, S. L. [1 ]
机构：
[1] Univ Mysore, DOS Environm Sci, Mysore 570005, Karnataka, India
来源：
BULGARIAN CHEMICAL COMMUNICATIONS | 2014年 / 46卷 / 03期
关键词：
Copper (II); Sulfanilic acid (SA); Acidic medium; Beer's Law; Industrial effluent;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A new UV-visible spectrophotometric method was developed for the determination of copper (II) in industrial wastewater samples. The method is based on complex formation of copper (II) with sulfanilic acid in acidic medium a room temperature: The complex showed maximum, absorption at a wavelength of 380 nm with a molar absorptivity value of 6.7x10(-2) mol(-1) cm(-1). Beer's law is obeyed in the concentration range of 0.3 to 2.1 ppm. Interferences due to zinc (II), cadmium (II), nickel (II), cobalt (II), chromium (III) and several anions were investigated. The proposed method was successfully applied to the determination of copper (II) in industrial effluent samples.
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页码：447 / 451
页数：5
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