Appearance of a New Oscillation (Named Oscillation C) in H2O2-Reduction Reaction on a Pt Electrode in Acidic Solutions by Addition of a Small Amount of Chloride Ions

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  • Yoshiharu Mukouyama
    Department of Chemistry, Graduate School of Engineering Science, and Research Center for Photoenergetics of Organic Materials, Osaka University
  • Hidemitsu Konishi
    Department of Chemistry, Graduate School of Engineering Science, and Research Center for Photoenergetics of Organic Materials, Osaka University
  • Shuji Nakanishi
    Department of Chemistry, Graduate School of Engineering Science, and Research Center for Photoenergetics of Organic Materials, Osaka University
  • Yoshihiro Nakato
    Department of Chemistry, Graduate School of Engineering Science, and Research Center for Photoenergetics of Organic Materials, Osaka University

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Abstract

<jats:title>Abstract</jats:title> <jats:p>A new electrochemical oscillation with a short period of 2 to 10 ms, named oscillation C, appears in H2O2-reduction reaction on a Pt electrode in H2SO4 solutions when a small amount of chloride ions is added to the solution. It is suggested that oscillation C is caused by competition between H2O2 reduction and chloride-ion adsorption, contrary to previously reported oscillations A and B which are caused by competition between H2O2 reduction and H+ reduction.</jats:p>

Journal

  • Chemistry Letters

    Chemistry Letters 27 (10), 1009-1010, 1998-10-01

    Oxford University Press (OUP)

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