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Irreversible thermodynamic analysis of electrophoretic light scattering experiments

โœ Scribed by L. Friedhoff; B. J. Berne

Publisher
Wiley (John Wiley & Sons)
Year
1976
Tongue
English
Weight
332 KB
Volume
15
Category
Article
ISSN
0006-3525

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โœฆ Synopsis

Abstract

A fluctuation theory for electrolyte solutions is developed based on the coupling between the equations of nonequilibrium thermodynamics and the Poisson equation. The resulting fluctuation theory is applied to the analysis of electrophoretic light scattering. It is shown that in a binary electrolyte solution (two ionic species), the Doppler shift is not determined by the electrical mobility of either ion, but depends instead on the rate of change of transference number with salt concentration. In addition the ionic relaxation time is shown to be proportional to the conductivity of the solution.

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