1938 Volume 13 Issue 7 Pages 489-493
(1) The formation of silver chromate bands in silicic acid gel which was made by a usual method, has been described.
(2) By this procedure, the concentration of chromate is regulated at will, and distinct banding is formed.
(3) The hydrogen ion concentration of the gel has a profound influence on the formation of rhythmic bands of silver chromate.
(4) Dhar and Chatteriji’s theory and the membrane theory are not applicable.
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