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Procedure for semi-quantiative confirmation of some organophosphorus pesticide residues in plant extracts
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1968
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Residue (Chemistry)EngineeringPesticide-residue AnalysisSemi-quantitative ConfirmationOrganophosphorus PesticidesEnvironmental ChemistryBiorational PesticideGas ChromatographyAnalytical ChemistryToxicologyLiquid ChromatographyInsecticideChromatographyBiochemistryOrganophosphorus Pesticide ResiduesPlant ExtractsCombined ProcedurePest ManagementChromatographic AnalysisPharmacologyEnvironmental ToxicologyMedicineSemi-quantiative Confirmation
This paper describes the combination of carbon-column chromatography with thin-layer chromatographic-enzyme inhibition technique for semi-quantitative confirmation of organophosphorus pesticides. The combined procedure was evaluated for azinphos-methyl, carbophenothion, diazinon, disulfoton, malathion, mevinphos and parathion. Based on separation of compounds by elution from the column, two mixtures of standards were added to potato extracts and eluated and were analysed on thin-layer chromatograms.