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Examination of the adsorption of ethylene oxide–propylene oxide triblock copolymers to soil

Examination of the adsorption of ethylene oxide–propylene oxide triblock copolymers to soil

Paterson, Iain F., Chowdhry, Babur Z., Carey, Paula J. and Leharne, Stephen A. (1999) Examination of the adsorption of ethylene oxide–propylene oxide triblock copolymers to soil. Journal of Contaminant Hydrology, 40 (1). pp. 37-51. ISSN 0169-7722 (doi:10.1016/S0169-7722(99)00034-0)

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Abstract

The adsorption of 5 surfactants (P103, P105, F108, F127 and L92) to a sandy soil has been investigated. The surfactants are ABA block copolymers in which the A blocks are synthesised from ethylene oxide and the B block from propylene oxide. CMC values, for the block copolymers, as well as surfactant sorption to soil were measured by surface tension techniques. The adsorption of all five compounds can be described by the Freundlich adsorption isotherm. Adsorption, in each case, is related to the critical micelle concentration of the surfactant and the extent of adsorption appears to be linked also to the fraction of soil organic matter.

Item Type: Article
Uncontrolled Keywords: surfactants, sorption, soil, critical micelle concentration
Subjects: Q Science > QD Chemistry
Pre-2014 Departments: School of Science
Related URLs:
Last Modified: 14 Oct 2016 09:12
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/4873

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