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

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Abstract

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.

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Kucharska-Giziewicz, E.A., Mackinnon, D.J. Electrochemical behaviour of silver-containing copper anodes under simulated electrorefining conditions. J Appl Electrochem 26, 51–57 (1996). https://doi.org/10.1007/BF00248188

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  • DOI: https://doi.org/10.1007/BF00248188

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