ASTM D7317-2007 用纸过滤使用过的润滑油中凝结戊烷不溶物用标准试验方法(LMOA法)

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【英文标准名称】:StandardTestMethodforCoagulatedPentaneInsolublesinUsedLubricatingOilsbyPaperFiltration(LMOAMethod)
【原文标准名称】:用纸过滤使用过的润滑油中凝结戊烷不溶物用标准试验方法(LMOA法)
【标准号】:ASTMD7317-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D02.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:分析;倾斜的;凝结剂;浓缩物;相关性;测定;柴油发动机;柴油;发动机油;环境方面;过滤;过滤法;燃料;重量分析;信息;非溶解的;机动的;润滑剂;润滑油;维修;油;纸;戊烷;精密度;分离;重要性;国际单位制;溶液;测试;热分析;热重分析法;使用过的润滑油
【英文主题词】:diesel;filtration;insolubles;LMOA;lubricatingoil;pentaneinsolubles;used
【摘要】:Coagulatedpentaneinsolublescanincludeoil-insolublematerials,someoil-insolubleresinousmatteroriginatingfromoiloradditivedegradation,sootfromincompletedieselfuelcombustion,oracombinationofallthree.Asignificantchangeincoagulatedpentaneinsolublesindicatesachangeinoil,andthiscouldleadtolubricationsystemproblems.Coagulatedpentaneinsolublesmeasurementscanalsoassistinevaluatingtheperformancecharacteristicsofausedoilorindeterminingthecauseofequipmentfailure.5.4Highvaluesofcoagulatedpentaneinsolubleshavebeenassociatedwithpluggedoilfilters,leadingtoopeningofthebypassvalveandcirculationofunfilteredoilintheengine.Thiscanleadtoincreasedpistondeposits,increasedbearingwear,andprematureenginefailure.FIG.1PaperFiltrationApparatusp>1.1Thistestmethodcoversthedeterminationofcoagulatedpentaneinsolublesinusedlubricatingoilsbyapaperfiltrationmethod.1.2ThistestmethodwasoriginallydevelopedbytheFuels,Lubricants,andEnvironmentalCommittee(FLE)oftheLocomotiveMaintenanceOfficersAssociation(LMOA).1.3Thistestmethodisusedprimaryfortestinguseddieselengineoilsfromrailroadlocomotiveservice.Itmaybeappliedtoothersamplestypesbutprecision,bias,andsignificancehavenotbeendeterminedforsamplesotherthanusedrailroadlocomotivedieselengineoils.1.4Thistestmethod,ingeneral,doesnotcorrelatewithTestMethodD893onInsolublesinLubricatingOils,sinceitusesseparationbycentrifugationandamoreconcentratedsolutionofanti-coagulant.1.5ThecorrelationbetweenthistestmethodandAppendixA4(EnhancedThermalGravimetricAnalysis(TGA)Procedure)inTestMethodD5967hasnotbeeninvestigated.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see7.2,7.3,and7.4.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:5P.;A4
【正文语种】: