Designation:D5984−11(Reapproved2017)StandardTestMethodforSemi-QuantitativeFieldTestMethodforBaseNumberinNewandUsedLubricantsbyColor-IndicatorTitration1ThisstandardisissuedunderthefixeddesignationD5984;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversaprocedurefordeterminingthebasicconstituentsinpetroleumproductsinthefieldorlabora-toryusingapre-packagedtestkit.Thetestusesamicro-titrationresultinginavisualendpointfacilitatedbyacolorindicator.1.1.1Thistestmethodcoversbasenumbersfrom0to20.Itcanbeextendedtohigherrangesbydilutingthesampleorbyusingasmallersamplesize;however,theprecisiondatawereobtainedforbasenumbersupto20.1.2Thistestmethodcanbeusedtoindicaterelativechangesthatoccurinanoilduringuseunderoxidizingconditions.Althoughthetestisperformedundercloselyspecifiedcondi-tionswithstandardizedreagents,thetestmethoddoesnotmeasureanabsolutebasicpropertythatcanbeusedtopredictperformanceofanoilunderserviceconditions.Nogeneralrelationshipbetweenbearingcorrosionandbasenumberisknown.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3.1Exception—Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD2896TestMethodforBaseNumberofPetroleumProductsbyPote...
