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Simultaneous determination of 131 pesticides in tea by on-line GPC-GC–MS/MS using graphitized multi-walled carbon nanotubes as dispersive solid phase extraction sorbent

Solvent ExtractionChemical EngineeringEngineeringPesticide-residue AnalysisEnvironmental EngineeringEnvironmental Analytical ChemistryOn-line Gpc-gc–ms/msAnalytical ChemistrySimultaneous DeterminationLiquid ChromatographyBio-based SorbentMedicineChromatographyDrug Analysis