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This article in SSSAJ

  1. Vol. 32 No. 3, p. 441-442
    Received: Sept 28, 1967



Adsorption of Calcium and Strontium by Crandallite1

  1. H. M. Kunishi and
  2. A. W. Taylor2



Samples of the phosphate mineral crandallite, CaAl3(PO4)2 (OH)5 · H2O were equilibrated with solutions containing calcium and strontium chlorides labelled with 45Ca and 85Sr. The apparent selectivity coefficient for the equilibrium system, calculated from the isotopic dilution, varied from 1.5 at pH 9.3 to 8.2 at pH 4.7. The mineral has limited value as a scavenging agent for the removal of strontium from soil.

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