Surface Tension of Electrolytes: Specific Ion Effects Explained by Dispersion Forces

Bostrom, Mathias; Williams, David; Ninham, Barry

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Surface Tension of Electrolytes: Specific Ion Effects Explained by Dispersion Forces

Date

2001

Authors

Bostrom, Mathias

Williams, David

Ninham, Barry

Publisher

American Chemical Society

Abstract

The surface tension of ionic solutions shows marked specific ion effects not explained by existing theories. The effects are here accounted for by invoking a dispersion force between ions and the air-water interface. The measurements can be explained with reasonable values for the dispersion potential.