Abstract

The possibility of using current transients and open-circuit potential for correctly calculating a double-layer correction for charges spent for electrooxidation of adsorbed carbon monoxide is considered. On the basis of electrochemical measurements of adsorption of CO on electrolytic deposits of Pt and Rh in solutions of H2SO4, H2SO4 + HCl, and HCl, an estimate of the magnitude of adsorption of CO is performed with allowance made for a correct double-layer correction. The obtained values are compared with similar literature data for smooth Pt and Rh, and possible reasons for the established differences are discussed.

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