【英文标准名称】:BASICENVIRONMENTALTESTINGPROCEDURES.TESTMETHODS.TESTEC:DROPANDTOPPLE,PRIMARILYFOREQUIPMENT-TYPESPECIMENS.
【原文标准名称】:气侯的基本试验和机械坚固性的基本试验.试验方法.EC试验.铁落和摔倒.材料上第一落点的试验
【标准号】:NFC20-731-1987
【标准状态】:作废
【国别】:法国
【发布日期】:1987-05
【实施或试行日期】:1987-04-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:跌落试验;电子设备;电气设备;电子元部件;电子设备及元件;机械试验
【英文主题词】:droptests;mechanicaltests;mechanicaltesting;electronicequipment;electroniccomponents;electronicequipmentandcomponents;electricequipment;electricalequipment
【摘要】:
【中国标准分类号】:K04
【国际标准分类号】:
【页数】:9P;A4
【正文语种】:其他


【英文标准名称】:TestMethodforAnalysisofMethylTERT-ButylEtherMTBEbyGasChromatography
【原文标准名称】:用气相色谱法分析甲基特丁基乙醚的试验方法
【标准号】:ANSI/ASTMD5441-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003
【实施或试行日期】:2003-05-10
【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】:甲基乙醚;气相色谱法;分析;甲基;醚;丁烯;试验
【英文主题词】:Analysis;Butylene;Ethers;Gaschromatography;Methyl;Methylether;Testing
【摘要】:Thistestmethodcoversthedeterminationofthepurityofmethyltert-butylether(MTBE)bygaschromatography.ItalsoprovidesaproceduretomeasureimpuritiesinMTBEsuchasCtoColefins,methyl,isopropylandtert-butylalcohols,methylsec-butylandmethyltert-amylethers,acetone,andmethylethylketone.Impuritiesaredeterminedtoaminimumconcentrationof0.02mass%.ThistestmethodisnotapplicabletothedeterminationofMTBEingasoline.WatercannotbedeterminedbythistestmethodandmustbemeasuredbyaproceduresuchasTestMethodD1364andtheresultusedtonormalizethechromatographicvalues.AmajorityoftheimpuritiesinMTBEisresolvedbythetestmethod,however,someco-elutionisencountered.Thistestmethodisinappropriateforimpuritiesthatboilattemperatureshigherthan180?Corforimpuritiesthatcausepoorornoresponseinaflameionizationdetector,suchaswater.ThevaluesstatedinSI(metric)unitsofmeasurementarepreferredandusedthroughoutthestandard.Alternateunits,incommonusage,arealsoprovidedtoimproveclarityandaidtheuserofthistestmethod.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G17
【国际标准分类号】:71_040_50
【页数】:
【正文语种】:英语