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【英文标准名称】:StandardTestMethodforPurityofIsophoronebyCapillaryGasChromatography
【原文标准名称】:用毛细气相色谱法测定异佛尔酮纯度的标准试验方法
【标准号】:ASTMD7090-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D01.35
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:capillaryGC;gaschromatography;hydrocarbonsolvents.;isophorone
【摘要】:1.1Thistestmethodcoversthedeterminationofthepurityofisophorone.Thismethodalsodeterminestheimpuritiesofthematerialinconcentrationlevellessthan0.5mass%,whichmayincludemesityloxide(MSO),mesityloxide-isomer,mesitylene,trimethylcyclohexenone(TMCH),phorone,phorone-isomer,xylitone,andtetralone.1.2WatercannotbedeterminedbythistestmethodandshallbemeasuredbyotherappropriateASTMprocedure.Theresultisusedtonormalizethechromatographicdatadeterminedbythistestmethod.1.3Forpurposesofdeterminingconformanceofanobservedoracalculatedvalueusingthistestmethodtorelevantspecifications,testresult(s)shallberoundedoff"tothenearestunit"inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:71_040_50
【页数】:4P.;A4
【正文语种】: