Electrochemical behaviour of silver-containing copper anodes under simulated electrorefining conditions

被引:8
|
作者
KucharskaGiziewicz, EA
MacKinnon, DJ
机构
[1] Minerals Sciences Laboratories, CANMET, Department of Natural Resources Canada, Ottawa, Ont. K1A 0G1
关键词
D O I
10.1007/BF00248188
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Cyclic voltammetry was used to characterize the behaviour of silver-bearing copper anodes during electrorefining. Reproducible electrochemical characteristics were obtained for copper anodes of different shapes, sizes and configurations (vertical against horizontal) containing up to 1 wt % silver. Passivation time measurements indicated a strong correlation between the electrochemical spectra characteristics and the ease of anode passivation. A cubic-shaped anode without acrylic mounting medium was developed that avoided the impact of anode size End shape on the electrochemical characteristics and passivation of silver-bearing copper anodes. A fully computerized data acquisition system previously developed to generate electrochemical spectra for pure copper anodes under simulated electrorefining conditions has been extended to the examination of silver-bearing copper anodes.
引用
收藏
页码:51 / 57
页数:7
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