Radiotracer and analytical evidences proving the reduction of ClO4- ions at the cobalt/electrolyte solution interface

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Abstract

The occurrence of the reduction of ClO4- ions in the course of the dissolution (corrosion) of Co was indicated through the study of the adsorption of radio labelled (36Cl) Cl- ions. A detailed analytical study determining the Co2+ and Cl- content of the solution phase furnished firm evidences that under suitable chosen experimental conditions the 4Co+ClO4-+8H+= 4Co2++Cl-+4H2O reaction could be as important as the Co+2H+=Co2++H2 reaction considered in the literature as the only reaction path.

Original languageEnglish
Pages (from-to)609-612
Number of pages4
JournalElectrochemistry Communications
Volume5
Issue number7
DOIs
Publication statusPublished - Jul 1 2003

Keywords

  • Cobalt
  • Corrosion
  • Perchloric acid
  • Radiotracer method
  • Reduction

ASJC Scopus subject areas

  • Electrochemistry

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