Reversible cyclic voltammetry in the presence of product

Abstract Theory has been developed that describes, by means of a new analytic function, the shape of both branches of a reversible cyclic voltammogram when both members of the redox couple are present in solution. Experiments with the ferrocyanide/ferricyanide couple confirm this theory. It is demonstrated that limiting cases of the new theory correspond to pre-existing expressions for simpler instances of cyclic voltammetry: (a) when only one member of the redox pair is initially present, and (b) when the second member is at constant activity.

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