Collect. Czech. Chem. Commun. 1995, 60, 1101-1108

The Potential-pH Diagram Depicting the Chemisorption of Two Species on the Uniformly Inhomogeneous Surface. The Sulfur and Hydrogen Chemisorption on the Platinum Electrode

Tomáš Loučka

Department of Technology, J. E. Purkyně University, 400 01 Ústí nad Labem, Czech Republic


General thermodynamic dependences were derived for the simultaneous chemisorption of two substances on the uniformly inhomogeneous surface. In terms of these dependences and on the basis of thermodynamic data available in the literature, the potential-pH diagram was calculated for the Pt-S-H2O system at 25 °C on considering the sulfur and hydrogen chemisorption.