Electrochemical Reduction of Molybdate in the Presence of Zinc Chloride in Molten Lithium Chloride-Potassium Chloride Eutectic

Author(s)

R. Cvetkovic, University Kiril and Metodij, Skopje, Yugoslavia
Branko N. Popov, University of South Carolina - ColumbiaFollow
H. A. Laitinen, University of Florida

Document Type

Article

Subject Area(s)

Chemical Engineering

Abstract

Two chronopotentiometric waves were observed for the electrochemical reduction of molybdate in the presence of zinc chloride, with quarter-wave potentials of –1.5V and –1.75V vs. the Pt(II)/Pt reference electrode, respectively. It was observed that an increase in the molybdate concentration causes a decrease of the first transition time indicating a chemical reaction between ZnCl₂ (which is reduced at –1.5V) and Li₂MoO₄ in the melt forming ZnMoO₄ which is sparingly dissociated in LiCl-KCl eutectic. The equilibrium constant for the observed reaction was calculated. X-ray powder diffraction patterns of the reduction product of ZnMoO₄ have been obtained.

Publication Info

Journal of the Electrochemical Society, 1975, pages 1616-1619.

Rights

© The Electrochemical Society, Inc. 1975. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in the Journal of the Electrochemical Society.

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DOI: 10.1149/1.2134079