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Soil Science Society of America Journal Abstract -

The Potentiometric Estimation of Chloride in Water Extracts of Soils1


This article in SSSAJ

  1. Vol. 33 No. 3, p. 385-387
    Received: May 3, 1968
    Accepted: Jan 10, 1969

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  1. B. G. Davey and
  2. Marion Joy Bembrick2



The thermodynamic equation for the e.m.f. developed between Ag-AgCl electrodes in a cell with liquid junction is derived for a complex electrolyte system containing Cl. The equation is tested experimentally and a method devised to determine Cl in water extracts of soil. The range of the method, 5 × 10-5M to 10-2M Cl, is much more sensitive than either the electrometric, conductometric or the Volhard methods currently used in soil analysis.

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