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【英文标准名称】:StandardTestMethodforDeterminationofTraceThiopheneinRefinedBenzenebyGasChromatography
【原文标准名称】:用气相色谱法测定精制苯中微量噻吩的标准试验方法
【标准号】:ASTMD4735-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D16.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:涂料;含量测定;苯;试验
【英文主题词】:benzene;flamephotometricdetector;gaschromatography;thiophene
【摘要】:Thistestmethodissuitableforsettingspecificationsonbenzeneandforuseasaninternalqualitycontroltoolwherebenzeneiseitherproducedorusedinamanufacturingprocess.ThistestmethodwasfoundapplicablefordeterminingthiopheneinrefinedbenzeneconformingtothespecificationsdescribedinSpecificationD2359andmaybeapplicabletowardothergradesofbenzeneiftheuserhastakenthenecessaryprecautionsasdescribedinthetext.ThistestmethodwasdevelopedasanalternativetechniquetoTestMethodD1685.1.1Thistestmethodcoversthedeterminationofthiopheneinrefinedbenzeneintherangefrom0.5mg/kgto5.0mg/kg.Therangeofthetestmethodmaybeextendedbymodifyingthesampleinjectionvolume,splitratios,calibrationrange,orsampledilutionwiththiophene-freesolvent.1.2ThistestmethodhasbeenfoundapplicabletobenzenecharacteristicofthetypedescribedinSpecificationsD2359andD4734andmaybeapplicabletoothertypesorgradesofbenzeneonlyaftertheuserhasdemonstratedthattheprocedurecancompletelyresolvethiophenefromtheotherorganiccontaminantscontainedinthesample.1.3Thefollowingappliestoallspecifiedlimitsinthistestmethod:forpurposesofdeterminingconformancetoapplicablespecificationusingthistestmethod,anobservedvalueoracalculatedvalueshallberoundedoff"tothenearestunit"inthelastright-handdigitusedinexpressingthespecificationlimitinaccordancewiththerounding-offmethodofPracticeE29.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:G17
【国际标准分类号】:71_080_15
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:TestMethodforFireTestsofPenetrationFirestopSystems
【原文标准名称】:渗透挡火板系统的防火试验用试验方法
【标准号】:ANSI/ASTME814-2010
【标准状态】:作废
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑;施工工程;火灾;防火安全性;建筑物防火;挡火物;防火测试;渗透;试验
【英文主题词】:Construction;Constructionworks;Fire;Firesafety;Firesafetyinbuildings;Firestops;Firetests;Penetrations;Testing
【摘要】:
【中国标准分类号】:P16
【国际标准分类号】:13_220_50
【页数】:
【正文语种】:英语