吹扫捕集GCMS法检测饮用水中十三种常见挥发性有机物刘莹

　　　201129吹扫捕集-GC/MS法检测饮用水中十三种常见挥发性有机物＊刘莹1,2　孙力平1,2　高士奇1,2(1.,　300384;2.,　300384)　:建立了吹扫捕集-GC/MS法检测饮用水中十三种常见挥发性有机物的方法。最低检出限在0.041～1.08μg/L之间,加标回收率在80%～120%,具有较高的灵敏度和较广的分析范围。该分析方法准确、快速,能实现一针进样同时检测13种物质,缩短了分析周期,并应用该方法对城市水样进行了实测分析。:吹扫捕集;GC/MS;饮用水;挥发性有机物;苯系物;氯代苯DETERMINATIONOF13KINDSOFCOMMONVOLATILEORGANICCONTAMINANTSINDRINKINGWATERBYPURGEANDTRAPCOMBINEDWITHGASCHROMATOGRAPH/MASSSPECTROMETYLiuYing1,2　SunLiping1,2　GaoShiqi1,2(1.Environmental&MunicipalEngineeringDepartment,TianjinUrbanConstructionCollege,Tianjing300384,China;2.TianjinKeyLabofWaterQualityScienceandTechnology,Tianjing300384,China)Abstract:Adetectionmethodofpurgeandtrapcombinedwithgaschromatograph/massspectrometry(P&T-GC/MS)for13kindsofcommonvolatileorganiccontaminantsindrinkingwaterwasestablished.Themethoddetectionlimit(MDL)was0.041～1.08μg/L,andtheaveragerecoveryrateofthemethodwas80%～120%.Underthisawidelinearrangeandagoodprecisionwasperformed.Thisanalyticalmethodwasaccurateaswellasfast,whichcoulddetect13organicssimultaneously,andalsoshortenedtheanalyticalcyclegreatly.Besides,thismethodwasusedtodetectthedrinkingwaterinonecity.Keywords:purge&trap;GC/MS;drinkingwater;volatileorganiccontaminants;benzeneseriescompounds;chlorobenzene＊(2009ZX074119-001)。0　。,[1-2]。(VOCs)。,。(20%～30%)[3-4]。VOCs,,。、GB5749-2006《》[5]。。,、、、、、6“”[6];、,,。VOCs,,,,,。,。,。、GC/MS、、、、、、、1,4-、1,2-、1,3,5-、1,2,4-、1,2,3-13VOCs、、。242DOI:10.13205/j.hjgc.2011.s1.003　　　2011291　1.1　仪器及试剂:TEKMAR-StratumPTC,5mL,Thermo,DB-5(30m×0.25mm×0.25μm)。:13(),(99.999%),VOCs,()。1.2　分析条件1):,35℃,150℃,11min,250℃,2min,1min,65℃,2min,250℃,2min。2):,:40℃2min,4℃/min60℃,2min,4℃/min80℃,1min,10℃/min130℃,1min,10℃/min150℃,23min。3):35～350u,0min,200℃,20:1,220℃。1.3　分析步骤1.3.1　13VOCs13,,。1。1　13VOCs　　1,,1。,,DB-5WAX,。1.3.2　13VOCs,GC/MS,131。:13。1　13/min13.44Y=-182017+1.33654e+0.08X0.999725.34Y=-608300+9.99724e+0.07X0.997537.76Y=1.45527e+0.08X0.999148.20Y=-441753+9.08689e+0.07X0.999758.59Y=-1.81972e+006+1.4512e+0.08X0.994568.63Y=-873218+9.21248e+0.07X0.999379.59Y=78098.3+1.85042e+0.08X0.999681,4-15.29Y=2.9892e+0.08X0.999491,2-16.00Y=1.97048e+0.08X0.9961101,3,5-18.97Y=1.77834e+0.08X0.9969111,2,4-20.04Y=2.0249e+0.08X0.99911220.57Y=154825X0.9993131,2,3-20.71Y=1.46553e+0.08X0.99681.4　方法评价137,,,3;,GC/MS,。,。2。　　2:13VOCs,,;80%～120%,。2　13/(μg·L-1)10.18108.8%～114.3%20.280.1%～85.9%31.08104.8%～121.4%40.18993.7%～96%50.237110.5%～116.8%60.666109.6%～114.5%70.136581%～91.8%81,4-0.40180.1%～87.3%91,2-0.51484.3%～94.5%101,3,5-0.8580.7%～114.2%111,2,4-0.56782.3%～106.8%120.04179.1%～93.6%131,2,3-0.069107.5%～113.3%243　　　2011291.5　样品分析,、,13VOCs,,。2、3、4、。2　3　4　2　、、,13VOCs,,。[1],.[J].,2006,5(1):3-5.[2][J].,2007(4):40-41.[3],,.[J].,2002,13(1):122-127.[4],.[J].,2007,19(3):174-180.[5]GB5749-2006[S].[6],,.-[J].,2008,30(5):47-48.　　300384　09E-mail　[e-mail]2010-10-18(404)[1]DebellefontaineH,CammasFX,DeiberG,etal.Wetairoxida-tion:kineticsofreaction,carbondioxideequilibriumandreactordesign-anoverview[J].WaterScienceandTechnology,1997,35(4):111-118.[2],,,.(CWPO)[J].,2007,7(4):31-34.[3]ChatzisymeonE,DiamadopoulosE,MantzavinosD.Effectofkeyoperatingparametersonthenon-catalyticwetoxidationofolivemillwastewaters[J].WaterScienceandTechnology,2009,59(12):2509-2518.[4]WuYC,HaoOJ,OlmsteadDG,etal.Wetairoxidationofanaerobicallydigestedsludge[J].WaterPollutionControlFedera-tion,1987,59(1):39-46.[5],,.-[J].,2003,19(4):48-51.[6],,.Cu-Fe-Co-Ni-Ce/γAl2O3[J].,2008(26):252-255.[7]GitchelWB,HoffmanCA,Rothschild,etal.Sewagesludgetreatmentprocess[J].US3272740,1966.[8]GitchelWB,HoffmanCA,Rothschild,etal.Partialwetairoxi-dationofsewagesludge[P].US3359200,1967.[9].[P].CN101508603A,2009.[10],,.[J].,2006,28(2):140-142.[11],,,.《》[J].,2009,25(9):97-100.　　102200　28　(010)69700201E-mail　[e-mail]2011-06-24244