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Soil Science Society of America Journal Abstract -

Simultaneous Determination of Surface Area and Cation-Exchange Capacity1


This article in SSSAJ

  1. Vol. 30 No. 4, p. 525-527
    Received: Mar 11, 1966
    Accepted: May 5, 1966

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  1. C. A. Bower and
  2. J. T. Hatcher2



In previous work it was found that Cl repulsion by arid-zone soi's from a solution having a high and uniform concentration of Cl is closely related to surface area as measured by ethylene glycol retention. Based on this information, a measurement of Cl repulsion has been incorporated into the NaOAc method for determining cation-exchange capacity. As a result, values for surface area, as well as cation-exchange capacity, can be obtained with but little additional analytical work, except for soils high in kaolinite and sesquioxides.

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