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The Adsorption and Desorption of Atrazine as Affected by pH, Temperature, and Concentration

Published online by Cambridge University Press:  12 June 2017

Marshall D. McGlamery  and
F. W. Slife
Marshall D. McGlamery
Affiliation:
Department of Agronomy, University of Illinois, Urbana
F. W. Slife
Affiliation:
Department of Agronomy, University of Illinois, Urbana
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Abstract

The adsorption and desorption of 2-chloro-4-ethylamino-6-isopropyl-amino-s-triazine (atrazine) as affected by pH, temperature, and cencentration of atrazine were studied on Drummer clay loam soil and a humic acid isolated from Leonardite. The adsorption of atrazine on the soil increased as pH decreased, but it was affected only slightly by temperature and cencentration of atrazine. Desorption of atrazine was greater with increasing temperature and pH. The adsorption of atrazine on the soil was reversible and desorption was nearly complete. Adsorption of atrazine on the humic acid increased as pH decreased and temperature increased, and there was very little desorption of atrazine from the humic acid.

Type
Research Article
Information
Weeds , Volume 14 , Issue 3 , July 1966 , pp. 237 - 239
Copyright
Copyright © 1966 Weed Science Society of America 

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References

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