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In our paper the binary sodium dodecyl (lauryl) sulfate (SLS)–water system was investigated by small-angle x-ray scattering in the isotropic (I) phase up to the I-hexagonal (Ha) transition and the ternary system (with decanol added to a binary system containing 26 wt% of SLS in water) up to what was considered to be an I-nematic cylindrical (Nc) phase transition. Our paper did not focus on the phase diagram of the studied system but rather on the detailed modeling of the scattering curves in the I phase in terms of particle form factor and interference function. The aim of the paper was to determine the particle anisometries in the I phase as I-liquid-crystal phase transitions were approached, and to compare it with theories that predicted I-(N)-H phase transitions in systems with self-association.




©1998, The American Physical Society. Original publication is available at

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