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Gas chromatography analysis of benzene, toluene, ethylbenzene and xylenes using newly designed needle trap device in aqueous samples

Chemical EngineeringChemical MeasurementEngineeringAnalytical InstrumentationAqueous SamplesGas Chromatography AnalysisGas ChromatographyOrganic ChemistryAnalytical ChemistryNeedle Trap DeviceChemistryChromatographic AnalysisMedicineChromatographyDrug Analysis