键合固定相气相色谱法分离测定蔬菜中有机磷农药的残留量

15419998Vol.15No.4JOURNALOFANALYTICALSCIENCEAug.1999a(,,510080)PEG220M,,,,,,,,[1,2],[3,4]PEG220M[5],,1GC216A,FPD;C2R4A(,),(),(,),98%,99.5%,98%,98.5%,99%,99.5%,99.2%,98.5%,99.5%,99.2%2:PEG220M(0.5m3.2mmi.d);:160,FPD230,230;:N250mLömin,H280mLömin,Air70mLömin;FPD(P):Ranger=102123a:1998211227:33.1,3.210g,,,250mL,,0.51g70mL,30min,,11LL,,,AC,,1Table1TheregressionequationandcorrelationcoefficientofstandardsStandardsRegressionequationCorrelationcoefficientLinear(mgöL)SV1MethamidophosEthoprophosAcepateDimethoatePhoximParathion2methylFenitrothionParathionIsocarbophosA=1.57104C+3.52103A=1.65104C+2.63103A=1.48104C+1.98103A=2.12104C+1.88103A=2.61104C+2.31103A=1.69104C+1.80103A=1.54104C+1.65103A=1.76104C+1.24103A=1.94104C+3.52103A=1.78104C+2.011030.99950.99870.99900.99860.99790.99920.99810.99940.99930.99890.033.00.033.00.053.50.053.50.053.50.053.50.053.50.053.50.053.50.053.52,0.5mg1.5mg3.0mg,,,1.5mg6,CV%CV%2Table2TestresultsofprecisionandrecoveryStandardsRecovery3%)CV(%)(n=6)SV1901102.35Methamidophos89.61102.57Ethoprophos88.31133.05Acepate911032.96Dimethoate911093.59Phoxim871044.78Parathion2methyl921123.23Fenitrothion8798.32.69Parathion901053.46Isocarbophos9599.52.58223Fig.1Chromatogramoforganopho-sphorus1:SV;2:Methamidophos;3:Ethoprophos;4:Acepate;5:Dimethoate;6:Phoxim;7:Parathion2methyl;8:Fenitrothion;9:Parathion;10:Isocarbophos3,,,,,1,,,1EisertR,LevsenK.J.Chromatogr.A.,1994,683(1):1752,.,1996,15(2):683GB5009964GB5009965.,1999,15(1):59SeparationandDetectionofTenOrganophosphorusResidualPesticidesinVegetablebyBondedStationaryPhaseofGCHuangCong(TheMunicipalHealth&Anti2epidemicStationofGuangzhou,510080)AbstractAgaschromatographymethodfordeterminationofSV1,methamidophos,ethoprophos,acephate,dimethoate,phoxim,parathion2methyl,fenitrothion,parathionandisocarbophosinvegetablewithbondedstatinaryphasehasbeendeveloped.Thelinearcurvesfortentestedpesticidesrangedbetween0.05and3.5mgL-1.Therecoveriesrangedbetween87an118%.Themethodissimple,rapidandhighlysensitive.KeywordsGaschromatography,Bondedstationaryphase,Organophosphoruspesticides,Detection323