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1、METHOD524.2MEASUREMENTOFPURGEABLEORGANICCOMPOUNDSINWATERBYCAPILLARYCOLUMNGASCHROMATOGRAPHY/MASSSPECTROMETRYRevision4.1EditedbyJ.W.Munch(1995)A.Alford-Stevens,J.W.Eichelberger,W.L.Budde-Method524,Rev.1.0(1983)R.W.Slater,Jr.-Revision2.0(1986)J.W.Eichelberger,andW.L.Budde-Revision3.0(1989)J.W.Eichel
2、berger,J.W.Munch,andT.A.Bellar-Revision4.0(1992)NATIONALEXPOSURERESEARCHLABORATORYOFFICEOFRESEARCHANDDEVELOPMENTU.S.ENVIRONMENTALPROTECTIONAGENCYCINCINNATI,OHIO45268524.2-1METHOD524.2MEASUREMENTOFPURGEABLEORGANICCOMPOUNDSINWATERBYCAPILLARYCOLUMNGASCHROMATOGRAPHY/MASSSPECTROMETRY1.0SCOPEANDAPPLICA
3、TION1.1Thisisageneralpurposemethodfortheidentificationandsimultaneousmeasurementofpurgeablevolatileorganiccompoundsinsurfacewater,1,2groundwater,anddrinkingwaterinanystageoftreatment.Themethodisapplicabletoawiderangeoforganiccompounds,includingthefourtrihalomethanedisinfectionby-products,thathave
4、sufficientlyhighvolatilityandlowwatersolubilitytoberemovedfromwatersampleswithpurgeandtrapprocedures.Thefollowingcompoundscanbedeterminedbythismethod.ChemicalAbstractServicesAnalyteRegistryNumberAcetone*67-64-1Acrylonitrile*107-13-1AllylChloride*107-05-1Benzene71-43-2Bromobenzene108-86-1Bromochlo
5、romethane74-97-5Bromodichloromethane75-27-4Bromoform75-25-2Bromomethane74-83-92-Butanone*78-93-3n-Butylbenzene104-51-8sec-Butylbenzene135-98-8tert-Butylbenzene98-06-6CarbonDisulfide*75-15-0CarbonTetrachloride56-23-5Chloroacetonitrile*107-14-2Chlorobenzene108-90-71-Chlorobutane*109-69-3Chloroethan
6、e75-00-3Chloroform67-66-3Chloromethane74-87-32-Chlorotoluene95-49-84-Chlorotoluene106-43-4Dibromochloromethane124-48-11,2-Dibromo-3-Chloropropane96-12-81,2-Dibromoethane106-93-4Dibromomethane74-95-31,2-Dichlorobenzene95-50-1524.2-2ChemicalAbstractServicesAnalyteRegistryNumber1,3-Dichlorobenzene54
7、1-73-11,4-Dichlorobenzene106-46-7trans-1,4-Dichloro-2-Butene*110-57-6Dichlorodifluoromethane75-71-81,1-Dichloroethane75-34-31,2-Dichloroethane107-06-21,1-Dichloroethene75-35-4cis-1,2-Dichloroethene156-59-2trans-1,2-Dic
