Abstract

The adsorption of Cd(II) in thiocyanate solutions has been studied by a double potential-step chronocoulometric method. The amount of Cd(II) adsorbed decreases as the electrode potential is made increasingly cathodic. The amount of adsorbed Cd(II) was also studied as a function of the concentration of thiocyanate. The double potential-step chronocoulometric method permits an accurate double-layer capacity correction and appears to be the best faradaic method for the determination of adsorbed reactant.

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