【英文标准名称】:StandardTestMethodforAnalysisofToluenebyCapillaryColumnGasChromatography
【原文标准名称】:毛细管柱气相色谱法进行甲苯分析的标准试验方法
【标准号】:ASTMD6526-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D16.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:benzene;gaschromatography;impurities;toluenepurity;1,4-dioxane;Capillarygaschromatography;Chemicalanalysis--paints/relatedcoatings/materials;1,4-Dioxane;Gaschromatography(GC)--paints/relatedcoatings/materials;Impurities--organiccompoun
【摘要】:Thistestmethodissuitablefordeterminingtheconcentrationsofknownimpuritiesinrefinedtolueneandforuseasanintegralqualitycontroltoolwheretolueneisproducedorusedinmanufacturing.Toluenepurityisreported,butachromatographicanalysiscannotdetermineabsolutepurityifunknownorundetectedcomponentsarepresentinthesample.1.1Thistestmethodcoversthedeterminationofhydrocarbonimpuritiestypicallyfoundin,andthepurityof,samplescontaining98wt%andgreatertoluene.Thistestmethodisapplicabletoimpurityconcentrationsintherangeof0.0005to1.6wt%.1.2Monocyclicaromatichydrocarbonscontaining6through8carbonatoms,cumene,1,4x2013;dioxane,andnonaromaticaliphatichydrocarbonscontainingupto12carbonatomscanbedetectedbythistestmethod.Thenonaromaticcompoundsaredeterminedasacomposite.1.3Thefollowingappliestoallspecifiedlimitsinthistestmethod:forpurposesofdeterminingconformancewiththistestmethod,anobservedvalueoracalculatedvalueshallberoundedoffx201C;tothenearestunitx201D;inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection9.
【中国标准分类号】:G16
【国际标准分类号】:71_080_15
【页数】:5P.;A4
【正文语种】:英语