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Saturation determination of micellar systems using isothermal titration calorimetry

Waters, Laura J., Leharne, S.A. and Mitchell, J.C. (2005) Saturation determination of micellar systems using isothermal titration calorimetry. Journal of Thermal Analysis and Calorimetry, 80 (1). pp. 43-47. ISSN 1388-6150

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Abstract

A novel method for the determination of the point of micellar saturation has been developed. To exemplify the theory a model system was considered, this being the saturation of two aqueous micellar solvents with dimethyl phthalate ester (DMP). Upon addition of a hydrophobic compound to an aqueous micellar system partitioning will occur. On further addition, the inner hydrophobic regions will eventually be unable to accommodate any more DMP and, at this specific concentration, the micelle is saturated. With a comparatively large enthalpy change upon partitioning the point of saturation can be determined by a corresponding significant reduction in enthalpy change.

Item Type: Article
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Schools: School of Applied Sciences
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Depositing User: Cherry Edmunds
Date Deposited: 24 Jul 2008 13:51
Last Modified: 24 Jul 2008 13:51
URI: http://eprints.hud.ac.uk/id/eprint/1223

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