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

Hidetaka Hayashi

doi:10.1149/1.2221055

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

Hidetaka Hayashi

Research output: Contribution to journal › Article › peer-review

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 language	English
Pages (from-to)	386-389
Number of pages	4
Journal	Journal of the Electrochemical Society
Volume	140
Issue number	2
DOIs	https://doi.org/10.1149/1.2221055
Publication status	Published - 1993
Externally published	Yes

ASJC Scopus subject areas

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

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1149/1.2221055

Cite this

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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.",

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journal = "Journal of the Electrochemical Society",

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AB - 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.

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