【英文标准名称】:StandardTestMethodforPurityofPropyleneGlycolMonomethylEther,DipropyleneGlycolMonomethylEther,andPropyleneGlycolMonomethylEtherAcetate
【原文标准名称】:丙二醇－甲基醚、双丙二醇－甲基醚和丙二醇－甲基醚乙酸酯纯度的标准试验方法
【标准号】:ASTMD4773-2002(2007)
【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】:D01.35
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dipropyleneglycolmonomethylether;DPM;etherester;PM;PMA;propylenedipropyleneglycolmonomethylether;propyleneglycolmonomethylether;propyleneglycolmonomethyletheracetate
【摘要】:ThistestmethodisusedtodeterminethepurityofPM,DPM,andPMAbysubtractingcalculatedtotalimpuritiesfrom100%.ThistestmethodisusedtodeterminethequantityofresidualglycoletherpresentinPMA.ThistestmethodisusedforidentifyingvariousimpuritiesinPM,DPM,andPMA.1.1Thistestmethodcoversthedeterminationbygaschromatographyofpropyleneglycolmonomethylether(PM),dipropyleneglycolmonomethylether(DPM),andpropyleneglycolmonomethyletheracetate(PMA).Propyleneglycolmonomethylether(PM)isamixtureoftwoisomers:1-methoxy-2-propanoland2-methoxy-1-propanol.Dipropyleneglycolmonomethylether(DPM)isamixtureoffourisomers:1-(2-methoxy-1-methylethoxy)-2-propanolisoneofthemajorisomers.Propyleneglycolmonomethyletheracetate(PMA)isamixtureoftwoisomers:1-methoxy-2-acetoxypropaneand2-methoxy-1-acetoxypropane.1.1.1ThistestmethodcoversthedeterminationofPMintherangefrom98to100%,andDPMintherangefrom0.08to0.6%.1.1.2ThistestmethodcoversthedeterminationofDPMintherangefrom98to100%,PMintherangefrom0.05to0.3%,andtripropyleneglycolmonomethylether(TPM)intherangefrom0.06to0.3%.1.1.3ThistestmethodcoversthedeterminationofPMAintherangefrom99to100%,andPMintherangefrom0.03to1.0%.1.2WaterandacidcannotbedeterminedbythistestmethodandmustbemeasuredinaccordancewithTestMethodsD1364andD1613,andtheresultsusedtonormalizethechromatographicdata.1.3Thefollowingappliestoallspecifiedlimitsinthisstandard;forpurposesofdeterminingconformancewiththisstandard,anobservedvalueoracalculatedvalueshallberoundedoff"tothenearestunit"inthelastright-handdigitusedinexpressingthespecificationlimit,inaccordancewiththerounding-offmethodofPracticeE29.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Forhazardinformationandguidance,seethesupplier''sMaterialSafetyDataSheet.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G16
【国际标准分类号】:71_080_60
【页数】:5P.;A4
【正文语种】: