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J Phys Chem B. 2008 Jul 3;112(26):7875-84. doi: 10.1021/jp712179w. Epub 2008 Jun 5.

On the theory of solute solubility in mixed solvents.

Author information

1
Department of Chemistry, Kansas State University, Manhattan, KS 66506-3701, USA. pesmith@ksu.edu

Abstract

A series of equations are developed for the study of the effects of cosolvents on the solubility of a solute in mixed solutions where the solute displays a finite solubility. The equations differ depending on the scale used for the solute (and cosolvent) concentrations. The expressions use Kirkwood-Buff integrals to relate the changes in solubility to changes in the local solution composition around the solute and can be applied to study any type of ternary system including electrolyte cosolvents. The expressions provided here differ from previous approaches because of the use of a semi-open ensemble and the extension to finite solute solubilities.

PMID:
18529024
PMCID:
PMC2525813
DOI:
10.1021/jp712179w
[Indexed for MEDLINE]
Free PMC Article
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