【英文标准名称】:TestMethodforRelativeMolecularMassMolecularWeightofHydrocarbonsbyThermoelectricMeasurementofVaporPressure
【原文标准名称】:蒸气压力的热电测量法测定烃类相对分子量的试验方法
【标准号】:ANSI/ASTMD2503-1992
【标准状态】:作废
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【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】:烃类;润滑剂;测量;分子量;石油产品;测试;蒸汽压
【英文主题词】:Hydrocarbons;Lubricants;Measurement;Molecularweight;Petroleumproducts;Testing;Vapourpressure
【摘要】:Thistestmethodcoversthedeterminationoftheaveragerelativemolecularmass(molecularweight)ofhydrocarbonoils.Itcanbeappliedtopetroleumfractionswithmolecularweights(relativemolecularmass)upto3000;however,theprecisionofthistestmethodhasnotbeenestablishedabove800molecularweight(relativemolecularmass).Thistestmethodshouldnotbeappliedtooilshavinginitialboilingpointslowerthan220?C.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,5.2.1,5.2.3,and5.2.3.
【中国标准分类号】:G17
【国际标准分类号】:75_080
【页数】:
【正文语种】:英语