POTENTIOMETRIC DETERMINATION OF TRACE SILVER BASED ON THE USE OF A CARBON PASTE ELECTRODE

被引:34
|
作者
PEI, JH
YIN, Q
ZHONG, JY
机构
[1] Chemistry Department, Wuhan University, Wuhan
关键词
D O I
10.1016/0039-9140(91)80241-Q
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A carbon paste electrode used as a sensor for silver has been developed and electrode response characteristics have been investigated. The electrode exhibits linear response to the logarithm of the concentration of silver from 5 x 10(-7)M to 1 x 10(-2)M, with a response slope of 63 +/- 2 mV. The detection limit according to IUPAC recommendations is 1 x 10(-7)M. This electrode has been used to determine trace silver in fixing solutions and waste electroplate solutions with good results.
引用
收藏
页码:1185 / 1189
页数:5
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