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This article in SSSAJ

  1. Vol. 29 No. 2, p. 225-227
     
    Received: Aug 31, 1964


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doi:10.2136/sssaj1965.03615995002900020035x

Effect of Autoclaving on X-Ray Characteristics of Clay Minerals1

  1. G. Stotzky and
  2. L. E. DeMumbrum
  1. Kitchawan Research Laboratory of the Brooklyn Botanic Garden, Ossining, N. Y.

Abstract

Abstract

A variety of tropical and temperate zone soils differing in clay mineral composition and moisture content were autoclaved for 1 hour at 121 C, 15 psi, and fast exhaust. Various purified clay minerals were similarly autoclaved for 15 min in a nutrient medium used for the culture of microorganisms. Autoclaving did not significantly alter the diagnostic d values of the clay minerals contained in either the soils or the nutrient medium, regardless of the moisture content (from oven-dry to saturation) of the soils at the time of autoclaving.

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