固相萃取富集气相色谱法测定人参中的五氯硝基苯及其代谢物

AGROCHEMICALSVol.46,No.8Aug.2007μgDeterminationofFourOrganochlorinatedPesticidesinPanaxUsingSolid-phaseExtractionandHighPerformanceGasChromatographyHOUZhi-guanga,WANGXiu-meic,LUZhong-binb,WANGYanb,CHENDiana(JilinAgriculturalUniversitya.ThecenterforMeasurementandTest;b.CollegeofResourceandEnvironmentalScience;c.InstituteofModernization,Changchun130118,China)Abstract:Agaschromatographic(GC)methodforthetraceanalysisofPentachloronitrobenzene(PCNB)anditsmetabolisminGinsengwasdescribed.Thesamplewassubjectedtosolid-phaseextraction(SPE)usingCl8cartridge.ThecapillarycolumnwasHP-5,Theaveragerecoverieswerewithin90.7-97.8%andRSDwas0.7-2.4%.Themethodwassimpleandsensitive.Keywords:gaschromatographic;solid-phaseextraction;quintozene;residue;GinsengμmμLμLAGROCHEMICALS