Interaction of Pesticides with Chitosan

  • Pam Davar
  • James P. Wightman


The uptake isotherms of 2,4-D, Dicamba, 2,4,5-T, MH and MCPA have been measured on chitosan at room temperature. Chitosan is the deacetylated derivative of the natural marine polymer, chitin. Time of equilibration was determined for each system and the effects of solution pH on pesticide uptake have been studied. The adsorption of 2,4-D on activated charcoal was measured for comparison. Ancillary measurements of the chitosan samples after pesticide uptake included SEM/EDAX (scanning electron microscopy/ energy dispersive analysis of X-rays) and ESCA (electron spectroscopy for chemical analysis).


Pesticide Concentration Energy Dispersive Analysis Phenoxyacetic Acid Chitosan Sample Amine Site 
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Copyright information

© Plenum Press, New York 1981

Authors and Affiliations

  • Pam Davar
    • 1
  • James P. Wightman
    • 1
  1. 1.Chemistry DepartmentVirginia Polytechnic Institute and State UniversityBlacksburgUSA

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