Methodology for the estimation of chlorothalonil and its metabolite in mustard crop by gas liquid chromatography |
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| Authors: | Irani Mukherjee and Madhuban Gopal |
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| Affiliation: | (1) Agricultural Research Service, Division of Agricultural Chemicals, Indian Agricultural Research Institute, 110012 New Delhi, India |
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| Abstract: | A simplified method for the determination of chlorothalonil (I) and its metabolite 4-hydroxy-2,5,6-trichloroisophthalonitrile (II) in mustard crop is described. It involves extraction, derivatisation, clean-up on a silica-gel column and gas-liquid chromatography. The retention times and detection limits are 4.49, 5.39 min and 0.01, 0.005  g/g for I and II, respectively. |
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