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Small angle neutron scattering measurements on micellar solutions of perfluor detergents

  • Colloid Science
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Abstract

Small angle neutron scattering experiments (SANS) were carried out with solutions of the Lithium salt of Perfluoroctanoic acid (LIPFO) in pure D2O and mixtures of D2O and H2O and Diethylammoniumperfluorononanoate (DEAFN).

For LIPFO the scattering intensity as a function of the scattering angles could be fitted with calculated scattering functions for spheres. The contrast variation method allowed us to extract accurate values for the radius, the concentrations of the micelles and the aggregation number.

For DEAFN the observed scattering function could be fitted on the basis of spherical vesicles with an appreciable variance in diameter. For several solutions these parameters and the concentration of the vesicles could be evaluated.

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Author notes

  1. H. Hoffmann

    Present address: Institut für Physikalische Chemie und Lehrstuhl für Experimentalphysik I der Universität Bayreuth, Deutschland

Authors and Affiliations

  1. Institut für Physikalische Chemie und Lehrstuhl für Experimentalphysik I der Universität Bayreuth, Deutschland

    J. Kalus & H. Thurn

Authors
  1. H. Hoffmann
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  2. J. Kalus
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  3. H. Thurn
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Hoffmann, H., Kalus, J. & Thurn, H. Small angle neutron scattering measurements on micellar solutions of perfluor detergents. Colloid & Polymer Sci 261, 1043–1049 (1983). https://doi.org/10.1007/BF01421713

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  • DOI: https://doi.org/10.1007/BF01421713

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