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Soil Science Society of America Journal Abstract -

The Dissolution of Synthetic Goethites: The Early Stage1


This article in SSSAJ

  1. Vol. 38 No. 2, p. 377-378
    Received: July 24, 1973
    Accepted: Nov 21, 1973

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  1. R. M. Cornell,
  2. A. M. Posner and
  3. J. P. Quirk2



The kinetic curve for the early stage of dissolution of synthetic goethite is linear except for a small curved region close to the origin. This curved region has been shown to be due to the very rapid dissolution of a small amount of amorphous ferric hydroxide which is associated with the goethite.

The amount of amorphous ferric hydroxide is usually no more than 0.2% of the total mass of goethite. Its presence cannot be detected even by electron diffraction methods.

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