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Corncob biochar as a coating for trace analysis of polycyclic aromatic hydrocarbons in water samples by online in-tube solid-phase microextraction coupled to high performance liquid chromatography

EngineeringGas ChromatographyEnvironmental EngineeringWater SamplesBioanalysisAnalytical ChemistryPolycyclic Aromatic HydrocarbonsLiquid ChromatographyCorncob BiocharChromatographic AnalysisMedicinePolycyclic Aromatic HydrocarbonChromatography