Waters, Laura.J., Leharne, S.A. and Mitchell, J.C. ORCID: 0000-0003-2945-3292 (2005) Saturation determination of micellar systems using isothermal titration calorimetry. Journal of Thermal Analysis and Calorimetry, 80 (1). pp. 43-47. ISSN 1388-6150 (Print), 1572-8943 (Online) (doi:https://doi.org/10.1007/s10973-005-0611-z)

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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
Uncontrolled Keywords:	saturation determination, micellar systems, isothermal titration calorimetry, (ITC), micelles, partitioning, phthalate ester, sodium dodecyl sulphate
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science
Related URLs:	Publisher
Last Modified:	14 Oct 2016 09:11
URI:	http://gala.gre.ac.uk/id/eprint/4205

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