Theory of preferential solvation of nonelectrolytes

A. Ben-Naim*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

147 Scopus citations

Abstract

The concepts of local compositions around a solute and preferential solvation of a solute are defined in terms of the Kirkwood-Buff integrals. The difference between the local and the bulk composition is a measure of the preferential solvation of a solute with respect to the various components of the solvent. A statistical mechanical theory is developed that leads to simple relationships between local compositions and experimentally measurable quantities. Some preliminary results on preferential solvation of methane in mixtures of water-ethanol and water-p-dioxane are presented.

Original languageEnglish
Pages (from-to)255-269
Number of pages15
JournalCell Biophysics
Volume12
Issue number1
DOIs
StatePublished - Jan 1988

Keywords

  • Kirkwood-Buff integrals
  • methane, solvation in water-ethanol and in water-p-dioxane
  • nonelectrolytes, solvation of
  • Solvation, of nonelectrolytes
  • solvation, statistical mechanics of
  • statistical mechanics, of solvation
  • water-ethanol, solvation of methane in
  • water-p-dioxane, solvation of methane in

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