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Hofmeister Effects in Surface Tension of Aqueous Electrolyte Solution

Bostrom, Mathias Anders; Kunz, Werner; Ninham, Barry

Description

The surface tension of electrolyte solutions shows marked specific ion effects. We here show an important role for both ionic solvation energies and ionic dispersion potentials in determining this ion specific surface tension of salt solutions. The ion self-free energy changes when an ion moves from bulk solution into the interfacial region, with its decreasing water density profile. We will show that the solvation energies of different ions correlate very well with the surface tension of salt...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/82776
Source: Langmuir
DOI: 10.1021/la047437v

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