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The effect of lead on zinc deposit structures obtained from high purity synthetic and industrial acid sulphate electrolytes

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Abstract

Zinc deposits contaminated with lead were found to have characteristic morphologies and orientations which were dependent on the amount of lead present in the zinc deposits and to a lesser extent on the presence of other impurities such as antimony and glue in the deposits. Increasing lead in the zinc deposits progressively changed the orientations from (1 1 2) to (1 0 1) to (1 0 0) to finally a poorly crystalline (0 0 2) structure. The lead content of the zinc deposits was dependent on both the concentration and chemical composition of lead added to the electrolyte, the current density and also on the presence of antimony or glue in the electrolyte. A relationship was shown to exist between the effect of lead contamination on zinc deposit morphology and orientation and on the overpotentials associated with zinc electrodeposition in the presence of lead.

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Authors and Affiliations

  1. Metallurgical Chemistry Section, Physical Sciences Laboratory, Mineral Sciences Laboratories, Canada

    D. J. Mackinnon & J. M. Brannen

  2. Department of Energy, Mines and Resources, Centre for Mineral and Energy Technology (CANMET), Ottawa, Canada

    D. J. Mackinnon & J. M. Brannen

  3. Technical Research Centre, Cominco Ltd, Trail, British Columbia, Canada

    R. C. Kerby

Authors
  1. D. J. Mackinnon
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  2. J. M. Brannen
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  3. R. C. Kerby
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Mackinnon, D.J., Brannen, J.M. & Kerby, R.C. The effect of lead on zinc deposit structures obtained from high purity synthetic and industrial acid sulphate electrolytes. J Appl Electrochem 9, 55–70 (1979). https://doi.org/10.1007/BF00620587

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  • DOI: https://doi.org/10.1007/BF00620587

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