顶空_气相色谱法分析水中的挥发性苯系物--茂名石化

-(,525011)[]-,,/,91%98%014%312%0105210g/L[]-;;[]1000-8144(2001)01-0048-03[]TE62211+4[]A[]2000-02-28[](1970-),,,,,0668-2237431,[1],-,[2,3],,-,1111:PEAutosystemGC(FID);:PEHS-40;:PE1022;:PE22ml();:;:;112:HP-1()30m0132mm0125m;:403min,10/min130,2min;:200;:150;:4619kPa113:40;:40;:40;:20min;:40min;:015min;:015min;:015min114,,,7,14[1]11510ml22ml,4gNaCl,,112113(GC),GC,1/mgL-1+015013010701201101401301050120120100201001010584PETROCHEMICALTECHNOLOGY2001301©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.112116,2l,1mg/L,11710,20,40,60,80,100g/L,115,-2122-Y=10161711083X+01311209X2-01000197X301999898Y=9801235722X+01278483X2-010002031X301999850Y=21572170298+5091695207X+11858909X2-01001377X301999646+Y=181351726884+6901176072X+01512388X2-01000176X301999763Y=11471880149X-01877353X2+01000894X301999544:Y;X,g/L2211[1],NaCl10mlNaCl,,NaCl33,10ml4gNaCl3NaCl/g123455171381431111882121521121523212/22ml,/3/12/11/1(,5ml7ml10ml),,/44,/,,,/1/1,10ml4//3/12/11/171848111404121501213,,,,402144,405,15,25,35,38,40,45,50min,,,33,,,40min,,,40min941:-©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.35/gL-112345RSD/%/gL-1/%485050484949210601211181221231171202121354814774784824834800154839349485051525031267117116118120121118118133480481476477478478014500975048494850492106712012312512112612321114049048748648049148701950098+91928988909011891202200203199198200110205790802801804805800018802914850495147493126012012112212312512211613549148948849249349101450094320g/L215,,216,520g/L,,55,3,,91%98%014%312%0105210g/L,,[][1]1[M]1:,19881375-3781[2]WiseMB,GuerinMR1[J]1AnalChemNews&Features,1997,3(2):26A-32A1[3]1[J]1,1998,(2):23-261AnalysisofVolatileBenzeneSeriesCompoundsinWaterSamplebyHeadspace-GasChromatographyWANGXiao-zhen(CentralLaboratory,MaomingEthyleneCorporation,MaomingGuangdong525011,China)[Abstract]Ananalyticalmethodofheadspace2GCforthedeterminationofvolatilebenzeneseriescompoundssuchasbenzene,toluene,ethylbenzene,m2,p2ando2xyleneinwatersamplewasstudied1Factorsinfluencingthedeterminationsuchasequilibriumtime,volumeratioofgasandliquid,concentrationofsaltinwatersamplewerediscussed1TheexperimentalresultsshowthattherecoveryofBZ,TOL,EB,MX,PX,OXfallswithintherangeof91%98%,correspondingRSDwithin014%312%,andthelowestdetectionlimits0105210g/L1Theapplicationresultsshowthatheadspace2GCmethodissimple,rapidandaccurate1[Keywords]headspace2gaschromatography;volatilebenzeneseriescompounds;water()05PETROCHEMICALTECHNOLOGY200130©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.