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Determination of polycyclic aromatic hydrocarbons in waters by ultrasound-assisted emulsification-microextraction and gas chromatography–mass spectrometry

Gas Chromatography–mass SpectrometryChemical EngineeringEngineeringGas ChromatographyEnvironmental EngineeringEnvironmental Analytical ChemistryMass SpectrometryOrganic ChemistryAnalytical ChemistryPolycyclic Aromatic HydrocarbonsPolycyclic Aromatic HydrocarbonMedicineUltrasound-assisted Emulsification-microextractionChromatographyDrug Analysis