Designation:D8004−15StandardTestMethodforFuelDilutionofIn-ServiceLubricantsUsingSurfaceAcousticWaveSensing1ThisstandardisissuedunderthefixeddesignationD8004;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribesameansfordeterminingtheamountoffueldilutionpresentinanin-servicelubricant.Thisisachievedbydrawingintoasurfaceacousticwave(SAW)sensorvaporfromthelubricant.FuelvaporwillbeabsorbedbytheSAWsensor’spolymercoating.Theamountofabsorbanceisthenrelatedtofuelcontentinthelubricant.1.2Therangeoffueldilutioncapableofbeingmeasuredbythetestmethodisfrom0.1%to10.0%bymassfueldilution.1.3Thistestmethodisspecificallytailoredtodeterminingthefueldilutionofin-servicelubricants,includingnewlyutilizedlubricants.Themethodisapplicabletocontaminationwithdiesel,gasoline,andjetfuels.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.SeeSection9.2.ReferencedDocuments2.1ASTMStandards:2E456TerminologyRelatingtoQualityandStatisticsD4057PracticeforManualSamplingofPetroleumandPetroleumProductsD6708PracticeforStatisticalAssessmentandImprovementofExpectedAgreementBetweenTwoTestMethodsthatPurporttoMeasuretheSamePropertyofaMaterialD7235GuideforEstablishingaLinearCorrelationRelation-shipBetweenAnalyzerandPrimaryTestMethodResultsUsingRelevantASTMStandardPracticesD7593TestMethodforDeterminationofFuelDilutionforIn-ServiceEngineOilsbyGasChromatographyD7669GuideforPracticalLubricantConditionDataTrendAnalysisD7720GuideforStatisticallyEvaluatingMeasurandAlarmLimitswhenUsingOilAnaly...