On the Theory of Solute Solubility in Mixed Solvents

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−...

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Bibliographic Details
Published inThe journal of physical chemistry. B Vol. 112; no. 26; pp. 7875 - 7884
Main Authors Smith, Paul E, Mazo, Robert M
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 03.07.2008
Subjects
B: Statistical Mechanics, Thermodynamics, Medium Effects
Benzene - chemistry
Electrolytes - chemistry
Indicator Dilution Techniques
Models, Chemical
Salts - chemistry
Solubility
Solvents - chemistry
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Summary: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.
Bibliography:ark:/67375/TPS-8F205L7K-M
istex:6CC77DE066F915C4EC1D51ED8924A2B3898AC826
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1089-5647
1520-6106
1520-5207
DOI:10.1021/jp712179w