Abstract

The effects of electrode curvature and reaction orders on E-t curves obtained in current reversal chronopotentiometry at a DME with a preceding blank period are analyzed. The influence of amalgam formation on the E-t curves and on the transition time corresponding to the reoxidation process is determined. The effect of concentration of the oxidized species on the reversibility of a higher order electrochemical reaction is discussed. Methods for determining reaction orders, kinetic parameters and the conditional (formal) potential are proposed. All the equations obtained previously in the literature for planar and spherical electrodes can be deduced from the results presented in this paper.

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