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Determination of organophosphorus pesticides using membrane-assisted solvent extraction combined with large volume injection–gas chromatography–mass spectrometric detection

Solvent ExtractionMembrane-assisted Solvent ExtractionEnvironmental ChemistryChemical EngineeringEngineeringPesticide-residue AnalysisGas ChromatographyEnvironmental EngineeringEnvironmental Analytical ChemistryMass SpectrometryOrganophosphorus PesticidesAnalytical ChemistryLiquid ChromatographyMedicineChromatography