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SANS study of ternary non‐ionic microemulsions
Author(s) -
Magid L.,
Butler P.,
Payne K.,
Strey R.
Publication year - 1988
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889888004674
Subject(s) - microemulsion , ternary operation , volume fraction , octane , isotropy , analytical chemistry (journal) , thermodynamics , ternary numeral system , materials science , chemistry , chromatography , organic chemistry , phase (matter) , physics , optics , pulmonary surfactant , computer science , programming language
SANS measurements were performed for the ternary microemulsion D 2 O‐octane‐[ n ‐dodecylpenta(oxyethylene glycol) monoether (C 12 E 5 )] at several compositions: (1) as a function of C 12 E 5 wt fraction γ at constant oil/water wt ratio α (α = 0.4, so the oil‐to‐water volume ratio is one); and (2) as a function of α (at γ = 0.07 wt fraction) through the main isotropic channel. A formalism recently developed by Teubner & Strey [ J. Chem. Phys. (1987), 87 , 3195–3200] was used to describe the scattering data. Some problems with the fitting of the data are discussed. The values obtained for d , the domain size, from these fits agree rather well with the conduit sizes measured by electron microscopy.