ELECTROCHEMICAL STUDY OF SILVER DISSOLUTION IN CYANIDE SOLUTIONS

被引：23
|
作者：
LI, J
WADSWORTH, ME
机构：
[1] Department of Metallurgical Engineering, College of Mines and Earth Sciences, University of Utah, Salt Lake City
来源：
JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 1993年 / 140卷 / 07期
关键词：
25;
D O I：
10.1149/1.2220740
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Rate processes of the anodic dissolution of silver in cyanide solutions were studied by various electrochemical techniques using a rotating disk electrode. Both the process mechanism and rate-influencing factors such as agitation, cyanide concentration, and temperature were examined. Anodic silver dissolution may be separated into two elementary steps: an electrochemical reaction followed by a chemical reaction. Considering charge transfer plus diffusion of cyanide ions from the bulk solution to the silver surface as being rate limiting, the rate of anodic silver dissolution was calculated using the combined Butler-Volmer and Levich equations.
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页码：1921 / 1927
页数：7
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