Abstract
Changes in surface stress of gold ribbon electrodes as a function of potential were measured in various electrolytes with an extensometer instrument. Electrocapillary‐type curves were obtained for which the change in surface stress can be equated to change in surface tension. As for mercury, the potential of the surface stress maximum for gold is independent of pH. The observed anion adsorption order on gold Was , ,. Experimental surface stress data and charge passed gave approximate agreement with the Lippmann equation in the electric double layer regions Formation of oxide film significantly lowered the surface stress.
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