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Journal Articles Electrochimica Acta Year : 1996

Anodic dissolution of metals under mass transport control

Abstract

This paper is focussed on anodic dissolution processes controlled by mass transport. After the recall of the results obtained for a classic redox system, four examples are discussed : 1. (i) iron dissolution in sulphuric acid for which a liquid layer of high visosity is formed at the interface; 2. (ii) copper dissolution in hydrochloric acid and 3. (iii) in phosphate acid, where in both solutions a solid salt layer is existing at the electrode surface; and 4. (iv) nickel dissolution in sulphate acid media, where a very high Schmidt number is involved in the mass transport. On the basis of the analysis of steady-state results and electrohydrodynamic impedance, it is evidenced that each system needs a particular description.

Dates and versions

hal-04413877 , version 1 (24-01-2024)

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O.E. Barcia, Oscar R. Mattos, Nadine Pébère, Bernard Tribollet. Anodic dissolution of metals under mass transport control. Electrochimica Acta, 1996, 41 (7-8), pp.1385-1391. ⟨10.1016/0013-4686(95)00460-2⟩. ⟨hal-04413877⟩
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