The determination of a carbamate insecticide in soil samples by differential pulse polarography |
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Authors: | Michael L. Hitchman Subramaniam Ramanathan |
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Affiliation: | Department of Chemistry and Applied Chemistry and Thin Film and Surface Research Centre, University of Salford, Salford M5 4WT Great Britain |
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Abstract: | Differential pulse polarography is shown to be a simple and potentially useful method for monitoring the degradation of a carbamate insecticide (Bendiocarb; 2,3-isopropyli-denedioxyphenyl-N-methylcarbamate) in soil samples. Only extraction from the soil sample with dichloromethane and evaporation of the extract is needed prior to polarography. Calibration plots were linear over the range 10–50 mg l?1 at ?0.94 V vs. Ag/AgCl in an acetate buffer of pH 5.0. There is no apparent interference from hydrolysis products or soil components. |
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