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Solvent-assisted dispersive liquid-solid phase extraction of organophosphorus pesticides using a polypyrrole thin film–coated porous composite magnetic sorbent prior to their determination with GC-MS/MS

Solvent ExtractionChemical EngineeringEnvironmental ChemistryEngineeringSeparation SciencePesticide-residue AnalysisSelective SeparationEnvironmental RemediationOrganophosphorus PesticidesAnalytical ChemistryLiquid ChromatographyChromatographyPolypyrrole Thin