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A theoretical treatment of the kinetics of iron dissolution and passivation

✍ Scribed by A.A. El Miligy; D. Geana; W.J. Lorenz

Publisher: Elsevier Science
Year: 1975
Tongue: English
Weight: 690 KB
Volume: 20
Category: Article
ISSN: 0013-4686
DOI: 10.1016/0013-4686(75)90005-5

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✦ Synopsis

~The anodic behuviour of highly pure iron in weak acid aqueous solutions which are free of oxygen and surface active compounds takes place in dllTerent ranges: active dissolution, Lransitlon range. prepassive range and passive state. This is indicated by the experimentally ohserved current-density potential curves which show a maximum I and a minimum in the transition range, a further increase in the prepasslve range and il maximum 11 before reaching the passive state. Different mechanisms including

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