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The effect of nickel on the mechanism of the initial stages of zinc electrowinning from sulphate electrolytes. Part II. Investigations on aluminium cathodes alloyed with iron impurities

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Abstract

The effect of the alloying element Fe on the electrochemical behaviour of Al cathodes during the initial stages of zinc electrowinning was studied, using scanning electron microscopy, cyclic voltammetry, atomic absorption and X-ray microprobe analysis techniques. It is shown that underpotentially deposited zinc submonolayer inhibits the discharge of hydrogen ions onto Fe aggregates — alloying element.

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Authors and Affiliations

  1. Institute of Physical Chemistry, Bulgarian Academy of Sciences, 1040, Sofia, Bulgaria

    Chr Bozhkov, M. Petrova & St. Rashkov

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  1. Chr Bozhkov
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  2. M. Petrova
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  3. St. Rashkov
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Bozhkov, C., Petrova, M. & Rashkov, S. The effect of nickel on the mechanism of the initial stages of zinc electrowinning from sulphate electrolytes. Part II. Investigations on aluminium cathodes alloyed with iron impurities. J Appl Electrochem 20, 17–22 (1990). https://doi.org/10.1007/BF01012465

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  • DOI: https://doi.org/10.1007/BF01012465

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