PMID: 15819218Apr 12, 2005Paper

Solubility of hydrophobic organic pollutants in binary and multicomponent aqueous solvents

Environmental Science & Technology
E Ruckenstein, I Shulgin

Abstract

The present paper deals with the application of fluctuation theory of solutions to the solubility of poorly soluble substances of environmental significance in aqueous mixed solvents. The fluctuation theory of ternary solutions was first used to derive an expression for the activity coefficient of a solute at infinite dilution in a binary mixed solvent. This equation contains the activity coefficients of the constituents of the solute-free mixed solvent and the molar volume of the solute-free mixed solvent. Further, the derived expression for the activity coefficient of a solute at infinite dilution was used to generate a number of expressions for the solubility of solids in aqueous mixed solvents. Several expressions for the activity coefficients of the components were considered: first, the mixed solvent was considered an ideal mixture; second, the activity coefficients of the constituents of the binary solvent were expressed using the two-suffix Margules equations; third, the activity coefficients of the constituents of the binary solvent were expressed using the Wilson equations. The obtained expressions were applied to 25 experimental data sets pertaining to the solubilities of hydrophobic organic pollutants (HOP) in aqueo...Continue Reading

References

Mar 30, 2002·Advanced Drug Delivery Reviews·William L Jorgensen, Erin M Duffy
May 20, 2003·International Journal of Pharmaceutics·E Ruckenstein, I Shulgin
Jul 5, 2003·International Journal of Pharmaceutics·E Ruckenstein, I Shulgin

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Citations

Oct 24, 2012·Environmental Science & Technology·Hyuck-Chul Kwon, Jung-Hwan Kwon
Jun 1, 2006·Expert Opinion on Drug Discovery·John C Dearden
Aug 20, 2005·The Journal of Chemical Physics·Ivan L Shulgin, Eli Ruckenstein
Aug 14, 2008·The Journal of Physical Chemistry. B·Ivan L Shulgin, Eli Ruckenstein

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