Kinetics of the Dissolution of Copper in Aqueous Solutions of Aliphatic Amines
- 1 January 1960
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 107 (3) , 164-167
- https://doi.org/10.1149/1.2427645
Abstract
Studies of the rate of dissolution of copper in aqueous solutions of ammonia, and methyl‐, ethyl‐, and n‐butylamines under a high pressure of oxygen have shown the reaction to occur in two stages: a rapid pre‐equilibrium involving the free amine molecule, and a slower reaction step involving either the free amine molecule or its conjugate acid. This mechanism leads to a partial understanding of the passivity of copper surfaces in nearly neutral amine solutions.Keywords
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