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【英文标准名称】:StandardTestMethodforDeterminationofHydrocarbonImpuritiesinEthylenebyGasChromatography
【原文标准名称】:用气相色谱法测定次乙基中烃杂质的标准试验方法
【标准号】:ASTMD6159-1997(2007)
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.D0.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ethylene;gaschromatography;hydrocarbonimpurities;Ethylene;Gaschromatography(GC)--petroleumproducts;Hydrocarbonimpurities;Impurities--petroleumproducts
【摘要】:High-purityethyleneisrequiredasafeedstockforsomemanufacturingprocessesandthepresenceoftraceamountsofcertainhydrocarbonimpuritiescanhavedeleteriouseffects.Thistestmethodissuitableforsettingspecifications,foruseasaninternalqualitycontroltool,andforuseindevelopmentorresearchwork.ThistestmethoddoesnotdetectsuchimpuritiesasH2O,CO,CO2,andalcoholsthatmaybepresentinthesample.Hydrocarbonshigherthann-decanecannotbeanalyzedbythistestmethod,ifpresentinthesample.TestMethodD2504addressestheanalysisofnoncondensablegasesandTestMethodD2505addressestheanalysisofCO2.GuideD5234describesallpotentialimpuritiespresentinethylene.Thesestandardsshouldbeconsultedwhendeterminingthetotalconcentrationofimpuritiesinethylene.1.1Thistestmethodcoversthedeterminationofmethane,ethane,propane,propene,acetylene,iso-butane,propadiene,butane,trans-2-butene,butene-1,isobutene,cis-2-butene,methylacetyleneand1,3-butadieneinhigh-purityethylene.Thepurityoftheethylenecanbecalculatedbysubtractingthetotalpercentageofallimpuritiesfrom100.00%.SincethistestmethoddoesnotdetermineallpossibleimpuritiessuchasCO,CO2,H2O,alcohols,nitrogenoxides,andcarbonylsulfide,aswellashydrocarbonshigherthandecane,additionaltestsmaybenecessarytofullycharacterizetheethylenesample.1.2DataarereportedinthistestmethodasppmV(partspermillionbyvolume).Thistestmethodwasevaluatedinaninterlaboratorycooperativestudyintheconcentrationrangeof4to340ppmV(2to204mg/kg).Theparticipantsintheinterlaboratorycooperativestudyreportedthedatainnon-SIunits.Whereverpossible,SIunitsareincluded.1.3Thisstandarddosenotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G16
【国际标准分类号】:71_040_50
【页数】:5P.;A4
【正文语种】:英语