Diffusion Coefficients of Bolaform Electrolytes in Aqueous Solution

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概要

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• The diffusion coefficients of sodium salts of <I>m</I>-benzene disulfonate, 1,5-naphthalenedisulfonate, 1,2-ethanedisulfonate, and 1,4-butanedisulfonate in aqueous solutions were measured at 25°. The concentration dependence of the diffusion coefficients for sulfonates decreased with increasing charge distance and was smaller than that of the corresponding ordinary 2 : 1 electrolytes. The concentration dependence of diffusion coefficient for sodium <I>m</I>-benzenedisulfonate was the largest. It is shown that bolaform electrolytes behave like normal 1 : 1 electrolytes in the concentration range where the ion atmosphere around each charged group is independent.

• 公益社団法人 日本化学会の論文

著者

• Uedaira Hisashi

  Research Institute for Polymers and Textiles

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