Collect. Czech. Chem. Commun. 1983, 48, 957-963
https://doi.org/10.1135/cccc19830957

Effect of cation on the kinetics and mechanism of the reaction of copper single crystal in alkali hydroxide solutions

Petr Sušinka and Milica Miadoková

Department of Physical Chemistry, Comenius University, 842 15 Bratislava

Abstract

The effect of the metal (Li, Na, K) on the kinetics and mechanism of the reaction of a copper single crystal in alkali hydroxide solutions was studied on the faces corresponding to the (100), (110), and (111) planes, with a special attention to the (100) plane. The differences in the kinetic behaviour are discussed in terms of the hydratability of the cations as well as of the physico-chemical characteristics of the hydroxide solutions, particularly their viscosity and the solubility of oxygen in them. Of the electrochemical parameters examined, only the E0 value is affected by the cation.