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Solubilization of n-alkane solubilizates - Part II: Solubilization in ionic surfactants

Nandi, N (1998) Solubilization of n-alkane solubilizates - Part II: Solubilization in ionic surfactants. In: Indian Journal of Chemistry - Section A: Inorganic, Physical, Theoretical and Analytical Chemistry, 37 (2). pp. 114-117.

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Official URL: http://www.niscair.res.in/ScienceCommunication/Res...

Abstract

n the present study we have investigated the solubilization phenomena of n-alkane solubilizates into the micellar core of ionic surfactants. The particular system chosen is sodium dodecyl sulphate and-the solubilizates are n-alkanes. The present study incorporates the cavity forming free energies of the monomer into water and in the micellar core as a major driving force. This model generalizes our previous theory for nonionic solubilization [Indian J Chem, 35 A (1996) 625]. The merit of the model is that the extent of solubilization, i.e. the mole fraction of the solubilizate within the core can be calculated without using any adjustable parameter. The free energies of transfer of some n-alkane solubilizates (octane to dodecane) from water to the micellar core of the corresponding n-alkyl sulphates (octyl to dodecyl) have also been calculated from the present theory. The results are in good agreement with the experimental data.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to National Institute of Science Communication and Information Resources.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 29 Jun 2011 07:20
Last Modified: 29 Jun 2011 07:20
URI: http://eprints.iisc.ernet.in/id/eprint/38666

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