Studies on the Acid-Base Properties of the ZnBr2-NaBr Molten Salt System

Hidetaka Hayashi

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12 Citations (Scopus)

Abstract

The acid-base properties of the ZnBr2-NaBr melts at 623 K were investigated on the basis of the electromotive force measurements of a zinc-zinc concentration cell. The following two chemical equilibria were postulated to describe the acid-base character of the melts ZnBr2 + Br- = ZnBr-3 K1 ZnBr-3 + Br- = ZnBr-4 K2 The equilibrium constants K1 and K2 were determined to be 5.0 × 102 and 1.0 × 102, respectively, at 623 K. The acidity of ZnBr2-NaBr melts is essentially weaker than that of bromoaluminate melts.

Original languageEnglish
Pages (from-to)386-389
Number of pages4
JournalJournal of the Electrochemical Society
Volume140
Issue number2
DOIs
Publication statusPublished - 1993

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

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