Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Study of Hydration and Association of Ions in Solution. II. Complete Resolution of Tris(ethylenediamine)Cobalt(III), Chromium(III), and Rhodium(III) Complexes by Means of Paper Electrophoresis
Hayami YonedaTakao Miura
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1972 Volume 45 Issue 7 Pages 2126-2129


Complete resolution of racemic [M en3]3+ (M=CoIII, CrIII, and RhIII) by means of electrophoresis was achieved in a background solution of sodium d-tartrate and aluminum chloride. Electrophoretic data obtained under various conditions (various compositions, concentrations, and pH values of supporting electrolyte solutions) indicated that the separation of the enantiomers of [M en3]3+ complexes was accomplished not by the d-tartrate anion but by some aluminum d-tartrate complex anion.

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