Dissolution kinetics of manganese(III, IV) oxides in sulfuric acid in the presence of ethylenediaminetetraacetic acid

Dissolution kinetics of manganese(III, IV) oxides in sulfuric acid in the presence of ethylenediaminetetraacetic acid was studied at various pH values and temperatures. Kinetic, spectrophotometric, and electrochemical studies demonstrated that the dissolution rate of manganese oxides is governed by the potential step at the oxide/electrolyte interface and by the solution pH. A mechanism of the dissolution is suggested.

Authors
Pankratova A.B. 1 , Nevskaya E.Yu. 1 , Kutepov A.M.2 , Gorichev I.G.3 , Izotov A.D.4 , Zaitsev B.E. 1
Journal
Theoretical Foundations of Chemical Engineering
Number of issue
2
Language
English
Pages
168-174
Status
Published
Link
External link
DOI
10.1023/A:1010385724457
Volume
35
Year
2001
Organizations
  • 1 Russ. Univ. of Peoples' Friendship, Ul. Miklukho-Maklaya 6, Moscow, 117198 Russia, Russian Federation
  • 2 Moscow State Univ. of Ecol. Eng., Ul. Staraya Basmannaya 21/4, Moscow, 107884 Russia, Russian Federation
  • 3 Moscow State Pedagogical University, Ul. Malaya Pirogovskaya 1, Moscow, 119882 Russia, Russian Federation
  • 4 Kurnakov Inst. Gen. and Inorg. Chem., Russian Academy of Sciences, Leninskii Pr. 31, Moscow, 117907 R., Russian Federation
Keywords
edetic acid; manganese oxide; sulfuric acid; article; dissolution; electrochemistry; kinetics; mathematical analysis; pH; spectrophotometry; temperature
Date of creation
19.10.2018
Date of change
19.10.2018
Short link
https://repository.rudn.ru/en/records/article/record/344/
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