Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Studies of the Electrolytic Conductance of a Dye Solution. I. Complex Formation in an Aqueous Solution of the Mixture of Chlorazol Sky Blue FF and Chrysophenine G
Kinko ShinzawaYoshié TanizakiNoboru Ando
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1963 Volume 36 Issue 6 Pages 638-644

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Abstract

The conductances of aqueous solutions of Chlorazol Sky Blue FF (Blue), Chrysophenine G (Yellow), Sodium Chloride and their binary mixtures at various constant ratios have been measures. The conductance observed with a mixture of Blue and yellow increased abnormally compared with that obtained by the sum of individual dye conductances; the difference between the observed and the sum values reached a maximum at about the same fraction of the equivalent concentration of component dyes. A similar relation of the conductance against the fraction of the conductance against the fraction of the equivalent concentration of components, obtained with mixture, in which component dye was substituted by sodium chloride. did not always show a coincidence between the observed value and the sum one. the difference, however was much smaller than that obtained with dye mixtures. Thus, the abnormal increase described above may be attributed to the formation of complexes of Blue and Yellow; a 1:1 complex and a 1:2 complex, consisting of Blue and yellow already known, were sufficiently reflected in the conductance curve, especially in the conductance curve, especially in a 1:2 complex.

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