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
来源：
TALANTA | 1991年 / 38卷 / 10期
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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