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This article in SSSAJ

  1. Vol. 34 No. 2, p. 347-351
    Received: Aug 8, 1969
    Accepted: Dec 31, 1969

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Graphic Presentation of a Mathematical Solution for Interacting Diffuse Layers1

  1. W. D. Kemper and
  2. J. P. Quirk2



The scaled electrical potential, Y = zεψ/kT, is presented as a function of the effective surface charge density, the external solution concentration, valence of the cation and distance between clay platelets for symmetric electrolytes. Swelling pressures and ion concentrations near the platelets may be calculated from these values of Y using some of the simple equations published by other authors and reproduced herein.

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