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

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....

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Bibliographic Details
Published in:Journal of applied electrochemistry 1996, Vol.26 (1), p.51-57
Main Authors: KUCHARSKA-GIZIEWICZ, E. A, MACKINNON, D. J
Format: Article
Language:English
Subjects:
Applied sciences
Electrometallurgy
Exact sciences and technology
Metals. Metallurgy
Production of metals
Production of non ferrous metals. Process materials
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Summary: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 and 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.
ISSN:0021-891X
1572-8838
DOI:10.1007/BF00248188