Designation:D4047−13Designation:149/93StandardTestMethodforPhosphorusinLubricatingOilsandAdditivesbyQuinolinePhosphomolybdateMethod1ThisstandardisissuedunderthefixeddesignationD4047;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thistestmethodcoversthedeterminationof0.005to10.0mass%phosphorusinunusedlubricatingoilandadditiveconcentrates.Thereisnoreasontodoubtitsapplicabilitytofiltered,usedlubricatingoils,butnosystematicstudyofthisapplicationhasbeenmade.1.2Thetestmethodisapplicabletosamplescontaininganyofthephosphoruscompoundsinnormaluse.NOTE1—ThistestmethodextendsthescopeofthepreviousversionofIP149andreplacesIP148andthepreviousversionofIP149asarefereemethod.1.3Thistestmethodisfreefrommostinterferencesbecausethehighinsolubilityofthequinolinephosphomolybdatepre-cipitateleadstoconstantcompositionandfreedomfrommostadsorbedoroccludedimpurities,especiallyfromcationswhichwouldotherwiseinterfereinthesubsequenttitrationoftheprecipitate.1.4Barium,calcium,magnesium,zinc,iron,aluminum,alkalisalts,citricacidandcitrates,chromiumupto18timesthephosphoruscontent,andtitaniumupto3.5timesdonotinterferewiththetestmethod.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see6.9.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD6299PracticeforApplyingStatisticalQualityAssuranceandControlChartingTechniquestoEvaluateAnalyticalMeasurementSystemPerformance2.2IPStan...
