Abstract
The depression of mass transfer of metal-containing anions MeL n 1–n , which discharge at the cathode simultaneously with hydrogen from solutions containing a weak acid as the supporting electrolyte, is studied by a numerical method. The anion's charge has an ambiguous effect on the depression. Depending on the anion concentration, at a constant hydrogen evolution rate, the depression may both increase and decrease with increasing charge of the anion. The degree of dissociation of the supporting acid also affects the depression. These effects are explained within a modern theory of correlation interactions between diffusion–migration fluxes of parallel processes.
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