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Determination of micelle/water partition coefficients and associated thermodynamic data for dialkyl phthalate esters

Determination of micelle/water partition coefficients and associated thermodynamic data for dialkyl phthalate esters

Waters, Laura J., Leharne, S.A., Mitchell, J.C. and Hanrahan, J.P. (2007) Determination of micelle/water partition coefficients and associated thermodynamic data for dialkyl phthalate esters. Journal of Thermal Analysis and Calorimetry, 90 (1). pp. 283-288. ISSN 1388-6150 (Print), 1572-8943 (Online) (doi:10.1007/s10973-006-7792-y)

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Abstract

Micelle/water partition coefficients for three dialkyl phthalate esters - dimethyl phthalate ester (DMP), diethyl phthalate ester (DEP) and dipropyl phthalate ester (DPP) were obtained by micellar liquid chromatography (MLC). Experiments were conducted over a temperature range which led to calculation of a Gibbs free energy, enthalpy and entropy of transfer for the phthalate esters. In addition, small angle neutron scattering (SANS) experiments were conducted with no substantial change observed in micelle size before and after phthalate ester incorporation.
Overall, a novel method for obtaining thermodynamic information, based on partitioning data, has been developed for dialkyl phthalate esters using micellar liquid chromatography.

Item Type: Article
Uncontrolled Keywords: micellar liquid chromatography, MLC, micelle size, partitioning, phthalate esters, thermodynamics
Subjects: Q Science > QD Chemistry
Q Science > QC Physics
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Department of Pharmaceutical, Chemical & Environmental Sciences
Related URLs:
Last Modified: 17 Oct 2016 09:10
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/2691

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