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Determination of carbamate, phenylurea and phenoxy acid herbicide residues by gas chromatography after potassium tert-butoxide/dimethyl sulphoxide/ethyl iodide derivatization reaction

Environmental ChemistryResidue (Chemistry)EngineeringBiorational PesticidePesticide-residue AnalysisEnvironmental EngineeringMedicineEnvironmental Analytical ChemistryGas ChromatographyOrganic ChemistryAnalytical ChemistryToxicologyChemistryEnvironmental ToxicologyPharmacologyChromatographyDrug Analysis