ASTM D4616-1995(2005) 沥青中用反射光的显微分析和测定中间相的试验方法
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【英文标准名称】:StandardTestMethodforMicroscopicalAnalysisbyReflectedLightandDeterminationofMesophaseinaPitch
【原文标准名称】:沥青中用反射光的显微分析和测定中间相的试验方法
【标准号】:ASTMD4616-1995(2005)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:屋顶层;屋面油毡;硬沥青(石油产品);显微分析;沥青制品;防水材料;试验;沥青;屋顶;建筑;分析;施工材料
【英文主题词】:cenospheres;mesophase;microscopy;optical;pitch;QI;quinoline
【摘要】:Sometimescoaltarandpetroleumpitchesareheattreatedtherebyformingmesophasespheroids.Themesophasemaybepartiallysolubleinquinolineandcannotbeestimatedbythequinolineinsolubletest(TestMethodD2318).Thistestmethodprovidesfortheidentification,quantitativeestimation,andsizedeterminationofmesophasespheroids.Themesophaseinitiallyformsasspheroidsthatmaycoalescetoformavarietyofasymmetricalshapes.Thesmallestmesophaseparticlethatcanbedetectedwithcertaintyat400x00D7;or500x00D7;magnificationis4x03BC;mindiameter;mesophaseparticlessizeslessthan4x03BC;mshouldbeignored.Ifmesophasemateriallessthan4x03BC;minsizeisofinterest,thenmagnificationsof1000to1800x00D7;shallbeusedandtheresultsshouldbeappropriatelyidentified.Thismethodislimitedtodeterminingminorlevelsofmesophase,thatis,x2264;20%mesophase.1.1Thistestmethodcoverslaboratoryproceduresforthepreparationofgranularandmeltedsamplesformicroscopicanalysisusingreflectedlighttoidentifyandestimatetheamountandsizeofthemesophase.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E43
【国际标准分类号】:91_100_50;91_100_50
【页数】:9P.;A4
【正文语种】:
【原文标准名称】:沥青中用反射光的显微分析和测定中间相的试验方法
【标准号】:ASTMD4616-1995(2005)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:屋顶层;屋面油毡;硬沥青(石油产品);显微分析;沥青制品;防水材料;试验;沥青;屋顶;建筑;分析;施工材料
【英文主题词】:cenospheres;mesophase;microscopy;optical;pitch;QI;quinoline
【摘要】:Sometimescoaltarandpetroleumpitchesareheattreatedtherebyformingmesophasespheroids.Themesophasemaybepartiallysolubleinquinolineandcannotbeestimatedbythequinolineinsolubletest(TestMethodD2318).Thistestmethodprovidesfortheidentification,quantitativeestimation,andsizedeterminationofmesophasespheroids.Themesophaseinitiallyformsasspheroidsthatmaycoalescetoformavarietyofasymmetricalshapes.Thesmallestmesophaseparticlethatcanbedetectedwithcertaintyat400x00D7;or500x00D7;magnificationis4x03BC;mindiameter;mesophaseparticlessizeslessthan4x03BC;mshouldbeignored.Ifmesophasemateriallessthan4x03BC;minsizeisofinterest,thenmagnificationsof1000to1800x00D7;shallbeusedandtheresultsshouldbeappropriatelyidentified.Thismethodislimitedtodeterminingminorlevelsofmesophase,thatis,x2264;20%mesophase.1.1Thistestmethodcoverslaboratoryproceduresforthepreparationofgranularandmeltedsamplesformicroscopicanalysisusingreflectedlighttoidentifyandestimatetheamountandsizeofthemesophase.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E43
【国际标准分类号】:91_100_50;91_100_50
【页数】:9P.;A4
【正文语种】:
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