S. Yokoyama, T. Fujie
Aug 25, 1990
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Journal
Chemical & Pharmaceutical Bulletin
Abstract
The association of 1-octadecanoic acid (C18) in 1,2-dichloroethane at 40°C has been investigated by measuring the fluorescence spectra and intensities of ammonium 8-anilino-1-naphthalenesulfonate as a probe. As a result, it has been found that C18 begins to associate at a concentration of 1.0-1.2×10 −2 mol•dm −3 and that the aggregation number is small and constant in the concentration region above about 4×10 −2 mol•dm −3