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Electrochemical dissolution of chalcopyrite studied by voltammetry of immobilized microparticles

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Abstract

The characteristics of anodic electrochemical dissolution of chalcopyrite (CuFeS2) powder in hydrochloric acid medium with sodium chloride have been studied. Cyclic voltammetry and chronopotentiometry of immobilized microparticles using paraffin-impregnated graphite electrode was employed. Present work is focused on electrochemical identification of chalcopyrite cathodic and anodic reaction products within the potential range of −0.7 to +0.8 V (vs. SCE) in hydrochloric acid solution containing sodium chloride and/or copper(II) chloride.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Metallurgy, Technical University, 042 00, Košice, Slovakia

    L’. Pikna & L. Lux

  2. Institute of Inorganic Chemistry, Czech Academy of Sciences, 250 68, Řež, Czech Republic

    T. Grygar

Authors
  1. L’. Pikna
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  2. L. Lux
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  3. T. Grygar
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Pikna, L., Lux, L. & Grygar, T. Electrochemical dissolution of chalcopyrite studied by voltammetry of immobilized microparticles. Chem. Pap. 60, 293–296 (2006). https://doi.org/10.2478/s11696-006-0051-7

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  • DOI: https://doi.org/10.2478/s11696-006-0051-7

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