ASTM D2502-2004(2009) 粘度测量法估算石油润滑油分子量(相对分子质量)的标准试验方法

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【英文标准名称】:StandardTestMethodforEstimationofMolecularWeight(RelativeMolecularMass)ofPetroleumOilsFromViscosityMeasurements
【原文标准名称】:粘度测量法估算石油润滑油分子量(相对分子质量)的标准试验方法
【标准号】:ASTMD2502-2004(2009)
【标准状态】:现行
【国别】:美国
【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】:D02.04.0K
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:kinematicviscosity;meanrelativemolecularmass;petroleumoils;Molecularweight;Petroleumoils;Viscosity--petroleumproducts
【摘要】:Thistestmethodprovidesameansofcalculatingthemeanrelativemolecularmassofpetroleumoilsfromanotherphysicalmeasurement.Meanrelativemolecularmassisafundamentalphysicalconstantthatcanbeusedinconjunctionwithotherphysicalpropertiestocharacterizehydrocarbonmixtures.1.1Thistestmethodcoverstheestimationofthemeanrelativemolecularmassofpetroleumoilsfromkinematicviscositymeasurementsat100and210x00B0;F(37.78and98.89x00B0;C).Itisapplicabletosampleswithmeanrelativemolecularmassesintherangefrom250to700andisintendedforusewithaveragepetroleumfractions.Itshouldnotbeappliedindiscriminatelytooilsthatrepresentextremesofcompositionorpossessanexceptionallynarrowmeanrelativemolecularmassrange.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_080
【页数】:4P.;A4
【正文语种】:英语

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