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Determination of polychlorinated biphenyls in tea using gas chromatography–tandem mass spectrometry combined with dispersive solid phase extraction

Food ChemistryChemical EngineeringEngineeringGas ChromatographyEnvironmental EngineeringMedicineMass SpectrometryAnalytical ChemistryLiquid ChromatographyChromatographic AnalysisPolychlorinated BiphenylsChromatographyDrug Analysis