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This article in SSSAJ

  1. Vol. 35 No. 4, p. 561-565
    Received: June 29, 1970
    Accepted: Apr 5, 1971

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Pesticide Adsorption Measurement by Flow Equilibration and Subsequent Displacement1

  1. R. E. Green and
  2. J. C. Corey2



Adsorption of pesticides from solution was measured by continuous-flow equilibration and subsequent displacement from the soil by organic solvents. This new method and the conventional batch-equilibration method gave similar results for adsorption of diuron and atrazine on three surface soils. The flow method gave superior precision to the batch method on the subsoils studied. The new procedure is well adapted to studies of adsorption reversibility and also has the advantage of limited destruction of soil aggregates during equilibration.

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