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N. Qafoku, M. Sumner (2002)
Adsorption and desorption of indifferent ions in variable charge subsoils: The possible effect of particle interactions on the counter-ion charge densitySoil Science Society of America Journal, 66
Doklady Chemistry, Vol. 399, Part 2, 2004, pp. 237–239. Translated from Doklady Akademii Nauk, Vol. 399, No. 4, 2004, pp. 494–497. Original Russian Text Copyright © 2004 by Fedotov, Tret’yakov, Neklyudov. CHEMISTRY G. N. Fedotov*, Academician Yu. D. Tret’yakov**, and A. D. Neklyudov* Received August 17, 2004 Having investigated water percolation through soils, tion potential of the colloidal solution exists for several we found that water movement in an unsteady-state seconds, and in a soil with a virgin structure, for several percolation regime generates a potential difference days [2]. From related literature concerning the electric between the upper and lower parts of the soil layer with effects in dispersed systems, we infer that electric fields an orientation opposite to the classical flow potential can exist for long periods of time only when diffusion- [1]. We denote this new potential as the percolation adsorption potentials appear in these systems [7, 8]. potential of a colloidal solution. We may propose various mechanisms of ion separa- In [2, 3], the strength of the electric fields appearing tion that can operate during unsteady-state percolation in soils was studied as a function of various factors, and that can generate diffusion potentials. including the nature
Doklady Chemistry – Springer Journals
Published: Feb 16, 2005
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