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【英文标准名称】:StandardTestMethodforPourPointofPetroleumProducts(RotationalMethod)
【原文标准名称】:石油产品倾点的标准试验方法(旋转法)
【标准号】:ASTMD5985-2002(2008)
【标准状态】:现行
【国别】:美国
【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】:D02.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:D97equivalent;petroleumproducts;pourpoint;rotationalpourpoint;Instrumentalmeasurement--petroleumproducts;Pourpoint--petroleumproducts;Rotationalpourpoint
【摘要】:Thepourpointofapetroleumproductisanindexofthelowesttemperatureofitsutilityforcertainapplications.Flowcharacteristics,suchaspourpoint,canbecriticalforthecorrectoperationoflubricatingsystems,fuelsystems,andpipelineoperations.Petroleumblendingoperationsrequireprecisemeasurementofthepourpoint.Thistestmethodcandeterminethetemperatureofthetestspecimenwitharesolutionof0.1x00B0;Catwhicheithercrystalshaveformedorviscosityincreasessufficientlytoimpedemovementofthepetroleumproduct.ThistestmethodyieldsapourpointinaformatsimilartoTestMethodD97/IP15whenthe3x00B0;Cintervalresultsarereported.Note28212;SincesomeusersmaywishtoreporttheirresultsinaformatsimilartoTestMethodD97(in3x00B0;Cintervals)theprecisionswerederivedforthetemperaturesroundedtothe3x00B0;Cintervals.ForstatementsonbiasrelativetoTestMethodD97,see13.3.ThistestmethodhasbetterrepeatabilityandcomparablereproducibilityrelativetoTestMethodD97asmeasuredinthe1992interlaboratoryprogram.(SeeSection13.)1.1Thistestmethodcoversthedeterminationofpourpointofpetroleumproductsbyanautomaticinstrumentthatcontinuouslyrotatesthetestspecimenagainstasuspendeddetectiondeviceduringcoolingofthetestspecimen.1.2Thistestmethodisdesignedtocovertherangeoftemperaturesfromx2212;57to+51x00B0;C;however,therangeoftemperaturesincludedinthe1992interlaboratoryprogramonlycoveredthetemperaturerangeofx2212;39to+6x00B0;C(see13.4).1.3Thistestmethoddeterminestheno-flowpointofpetroleumproductsbydetectionofthecrystalstructureorviscosityincrease,orboth,inthesamplethatissufficienttoimpedeflowofthespecimen.1.4Thistestmethodisnotintendedforusewithcrudeoils.Note18212;Theapplicabilityofthistestmethodonresidualfuelsampleshasnotbeenverified.Forfurtherinformationonapplicability,referto13.4.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:5P.;A4
【正文语种】:英语