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Phase equilibria of microemulsion forming system n-decyl-(beta)-D-glucopyranoside/water/n-octane/1-butanol

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Authors:
  • Kahl, Heike ;
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    Leipzig University
  • Quitzsch, Konrad ;
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    Leipzig University
  • Stenby, Erling Halfdan
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    Orcid logo0000-0002-2296-069X
    Department of Chemical and Biochemical Engineering, Technical University of Denmark
Abstract:
A systematic investigation of the phase behaviour involving microemulsions is presented with respect to experimental and calculated data for the four-component system n-decyl-(beta)-D-glucopyranoside/water/n-octane/1-butanol and its corresponding ternaries at 25°C. The main feature of this kind of multicomponent system is the coexistence of a highly structural liquid phase enriched with amphiphilic compounds and an excess water or an excess oil phase or both of them. The phase behaviour was studied experimentally by use of turbidity titration and HPLC measurements and theoretically by application of the UNIQUAC-equation and the UNIFAC-method. The UNIFAC-method is able to describe the phase behaviour in the quaternary system qualitatively, without fitting parameters. However, by applying the UNIQUAC-method, with adjustable parameters, it was only possible to model the ternary subsystems. The modelling of the quaternary system is not satisfactory.
Type:
Journal article
Language:
English
Published in:
Fluid Phase Equilibria, 1997, Vol 139, p. 295-309
Main Research Area:
Science/technology
Submission year:
1997
ID:
2282177432
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