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Using Zn/Al layered double hydroxide as a novel solid-phase extraction adsorbent to extract polycyclic aromatic hydrocarbons at trace levels in water samples prior to the determination of gas chromatography–mass spectrometry

Gas Chromatography–mass SpectrometrySolvent ExtractionChemical EngineeringEnvironmental ChemistryEngineeringGas ChromatographyEnvironmental Analytical ChemistryMass SpectrometryWater PurificationDouble HydroxideOrganic ChemistryAnalytical ChemistryTrace LevelsChemistryMedicinePolycyclic Aromatic HydrocarbonChromatography