The aggregation of Span 80 in toluene

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 1993 English Publisher:Springer Science and Business Media LLCJournal:Journal of Solution Chemistry, volume 22, pages 231-241 (issn: 0095-9782, eissn: 1572-8927,

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Authors: A. Almela; M. P. Elizalde; R. Benito;

doi: 10.1007/bf00649246

The aggregation of Span 80 in toluene

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Abstract

The aggregation equilibria of the non-ionic surfactant Span 80 in toluene has been studied by vapour pressure osmometry (VPO) at different temperatures. The experimental data, treated both graphically and numerically using the LETAGROP-SUMPA program, can be explained by assuming the formation of dimers. The thermodynamics of Span 80 in toluene have also been calculated from the van't Hoff equation.

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University of the Basque Country
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