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This article in SSSAJ

  1. Vol. 29 No. 5, p. 528-530
     
    Received: Jan 4, 1965
    Published: Sept, 1965


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doi:10.2136/sssaj1965.03615995002900050017x

Diffusion of Potassium-40 Into an Illite During Prolonged Shaking1

  1. F. A. M. de Haan,
  2. G. H. Bolt and
  3. B. G. M. Pieters2

Abstract

Abstract

The diffusion of K40 into the clay crystal lattice of an illite was studied at equilibrium concentrations comparable to those occurring under field conditions. Time of equilibration was extended over 16 months. The self-diffusion constant was found as roughly 1–3 × 10-23 cm2 sec-1; the equivalent depth of penetration during the period of investigation amounted to a few Angstroms only.

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