Water solubility enhancements of DDT and trichlorobenzene by some surfactants below and above the critical micelle concentration

Water solubility enhancements of DDT and trichlorobenzene (TCB) by aqueous surfactants below and above their critical micelle concentrations (CMCs) were studied at room temperature with six surfactants. While the solubilities of DDT and TCB are greatly enhanced by all surfactants above the measured...

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Bibliographic Details
Published in:Environmental science & technology 1989-07, Vol.23 (7), p.832-838
Main Authors: Kile, Daniel E, Chiou, Cary T
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Micelles. Thin films
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Summary:Water solubility enhancements of DDT and trichlorobenzene (TCB) by aqueous surfactants below and above their critical micelle concentrations (CMCs) were studied at room temperature with six surfactants. While the solubilities of DDT and TCB are greatly enhanced by all surfactants above the measured CMC, DDT also exhibits substantial solubility enhancements below the CMC of the molecularly nonhomogeneous surfactants. The plot of the DDT solubility against the concentration of Triton and Brij surfactants shows an uprising curve below the nominal CMC, which is attributed to the successive micellization of the heterogeneous monomer species.
ISSN:0013-936X
1520-5851
DOI:10.1021/es00065a012