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Extraction and determination of organophosphorus pesticides in water samples by a new liquid phase microextraction–gas chromatography–flame photometric detection

Environmental ChemistryChemical EngineeringEngineeringPesticide-residue AnalysisGas ChromatographyEnvironmental Analytical ChemistryWater SamplesOrganophosphorus PesticidesToxicologyAnalytical ChemistryLiquid ChromatographyEnvironmental ToxicologyMedicineChromatographyWater Analysis