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Determination of selected polychlorinated biphenyls in water samples by ultrasound-assisted emulsification-microextraction and gas chromatography-mass-selective detection

Chemical EngineeringEngineeringGas ChromatographyEnvironmental EngineeringWater SamplesMedicineWater TreatmentAnalytical ChemistryLiquid ChromatographyChromatographic AnalysisPolychlorinated BiphenylsUltrasound-assisted Emulsification-microextractionChromatographyWater AnalysisDrug Analysis