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【英文标准名称】:StandardTestMethodforDeterminingImpuritiesinHigh-PurityEthylbenzenebyGasChromatography
【原文标准名称】:气相色谱法测定高纯度乙苯中杂质的标准试验方法
【标准号】:ASTMD5060-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D16.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:含量测定;乙苯;气相色谱法;杂质;试验方法
【英文主题词】:ethylbenzene;ethylbenzenepurity;impuritiesinethylbenzene
【摘要】:Thetestissuitableforsettingspecificationsonethylbenzeneandforuseasaninternalqualitycontroltoolwhereethylbenzeneisusedinmanufacturingprocesses.Itmaybeusedindevelopmentorresearchworkinvolvingethylbenzene.Purityiscommonlyreportedbysubtractingthedeterminedexpectedimpuritiesfrom100%.Absolutepuritycannotbedeterminedifunknownimpuritiesarepresent.1.1Thistestmethoddescribestheanalysisofnormallyoccurringimpuritiesin,andthepurityof,ethylbenzenebygaschromatography.Impuritiesdeterminedincludenonaromatichydrocarbons,benzene,toluene,xylenes,cumene,anddiethylbenzeneisomers.1.2Thistestmethodisapplicableforimpuritiesatconcentrationsfrom0.001to1.000%andforethylbenzenepuritiesof99%orhigher.Atthislevel,p-xylenemaynotbedetected.1.3Indeterminingtheperformanceofthetestresultsusingthismethodtoapplicablespecifications,resultsshallberoundedoffinaccordancewiththerounding-offmethodofPracticeE29.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,seeSection8.
【中国标准分类号】:G16
【国际标准分类号】:71_080_15
【页数】:4P.;A4
【正文语种】:


Product Code:SAE AS85421/13
Title:Fitting, Elbow, 90°, Beam Seal, 3000/4000 psi, Bulkhead, Male Ends
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:Scope unavailable.