Reactions of manganese oxides with sulfuric acid solutions studied by kinetic and electrochemical methods

Reactions of manganese oxides of various compositions with sulfuric acid solutions have been studied by kinetic and electrochemical methods. The surface composition of the manganese oxides has been shown to vary during the dissolution process. We present mathematical dependences of the dissolution r...

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Bibliographic Details
Published in:Inorganic materials 2017-08, Vol.53 (8), p.831-837
Main Authors: Godunov, E. B., Izotov, A. D., Gorichev, I. G.
Format: Article
Language:English
Subjects:
Chemical reactions
Chemistry
Chemistry and Materials Science
Dissolution
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Manganese oxides
Materials Science
Mathematical analysis
Sulfuric acid
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Summary:Reactions of manganese oxides of various compositions with sulfuric acid solutions have been studied by kinetic and electrochemical methods. The surface composition of the manganese oxides has been shown to vary during the dissolution process. We present mathematical dependences of the dissolution rate on kinetic parameters of the electrolyte solution for the oxides of various compositions and interpret the behavior of the manganese oxide with various compositions during dissolution in sulfuric acid solutions of various concentrations.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168517080052