Abstract
IN a letter to NATURE (January 2, p. 17, 1926), Dr. Joseph suggests that I have modified my point of view. I am rather more confirmed in it. There are really two points at issue between Dr. Joseph and myself, (1) Dr. Joseph holds the view that our usual conception of ionic equilibrium in heterogeneous systems is sufficient to account for the liberation of acids when hydrated silica reacts with electrolytes (J.C.S., 1923, 123, 2022; 1925, 127, 2813). We consider the reaction to be an example of an equilibrium between ions in the double layer and those in solution. As stated in my previous letters to NATURE, we believe that the surface primarily adsorbs anions. (2) Consequently the adsorption of acid by hydrated silica is also to be expected.
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MUKHERJEE, J. The Action of Silica on Electrolytes. Nature 118, 517 (1926). https://doi.org/10.1038/118517a0
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DOI: https://doi.org/10.1038/118517a0
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