ASTM D6417-2009 用毛细管气相色谱法评定发动机油挥发性的标准试验方法

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【英文标准名称】:StandardTestMethodforEstimationofEngineOilVolatilitybyCapillaryGasChromatography
【原文标准名称】:用毛细管气相色谱法评定发动机油挥发性的标准试验方法
【标准号】:ASTMD6417-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D02.04.0H
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:boilingrangedistribution;engineoil,volatility;gaschromatography;lubricants;petroleum;simulateddistillation;volatility;Automotiveenginefuels/oils;Boilingrangedistribution;Capillarygaschromatography;Gaschromatography(GC)--petroleum
【摘要】:Thedeterminationofengineoilvolatilityat371x00B0;C(700x00B0;F)isarequirementinsomelubricantspecifications.ThistestmethodisintendedasanalternativetoTestMethodsD5800andtheNoackmethodforthedeterminationofengineoilvolatility(CECL-40x2013;93).ThedataobtainedfromthistestmethodarenotdirectlyequivalenttoTestMethodD5800.Thecalculatedresultsoftheoilvolatilityestimationbythistestmethodcanbebiasedbythepresenceofadditives(polymericmaterials),whichmaynotcompletelyelutefromthegaschromatographiccolumn,orbyheavierbaseoilsnotcompletelyelutingfromthecolumn.Theresultsofthistestmethodmayalsonotcorrelatewithotheroilvolatilitymethodsfornonhydrocarbonsyntheticoils.Thistestmethodcanbeusedonlubricantproductsnotwithinthescopeofothertestmethodsusingsimulateddistillationmethodologies,suchasTestMethodD2887.1.1Thistestmethodcoversanestimationoftheamountofengineoilvolatilizedat371x00B0;C(700x00B0;F).1.1.1Thistestmethodcanalsobeusedtoestimatetheamountofoilvolatilizedatanytemperaturebetween126and371x00B0;C,ifsodesired.1.2Thistestmethodislimitedtosampleshavinganinitialboilingpoint(IBP)greaterthan126x00B0;C(259x00B0;F)orthefirstcalibrationpointandtosamplescontaininglubricantbaseoilswithendpointslessthan615x00B0;C(1139x00B0;F)orthelastn-paraffinsinthecalibrationmixture.Byusingsomeinstrumentsandcolumns,itispossibletoextendtheusefulrangeofthetestmethod.1.3Thistestmethodusestheprinciplesofsimulateddistillationmethodology.1.4Thistestmethodmaybeappliedtobothlubricantoilbasestocksandfinishedlubricantscontainingadditivepackages.Theseadditivepackagesgenerallycontainhighmolecularweight,nonvolatilecomponentsthatdonotelutefromthechromatographiccolumnunderthetestconditions.Thecalculationprocedureusedinthistestmethodassumesthatallofthesampleelutesfromthecolumnandisdetectedwithuniformresponse.Thisassumptionisnottrueforsampleswithnonvolatileadditives,andapplicationofthistestmethodundersuchconditionswillyieldresultshigherthanexpected.Forthisreason,resultsbythistestmethodarereportedasareapercentofoil.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesstatedininch-poundunitsareprovidedforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:9P.;A4
【正文语种】:英语