Designation:D4337−89(Reapproved2017)StandardTestMethodsforAnalysisofLinearDetergentAlkylates1ThisstandardisissuedunderthefixeddesignationD4337;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverchemicalandphysicaltestsapplicabletolineardetergentalkylates,evaluatingthoseprop-ertieswhichcharacterizelineardetergentalkylateswithrespecttoitssuitabilityfordesireduses.NOTE1—Lineardetergentalkylatescompriseslinearalkylbenzenespreparedbyvaryingprocessesofvaryinglinearalkylchainlength.Thealkylateissulfonatedforsurfactantuse,thelargestapplicationbeingindetergentproducts.Carefulcontroloflineardetergentalkylatecharacter-isticsisdesired;duringsulfonation,variationsofthesulfonatecanoccurthatmayresultineitherdesirableorundesirableend-useproperties.1.2Thetestmethodsappearasfollows:SectionCompositionbyGasChromatography7–15Chlorides16–27Color28–30RefractiveIndex31–33SpecificGravity34–36Water37–391.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.MaterialSafetyDataSheetsareavailableforreagentsandmaterials.Reviewthemforhazardspriortousage.SeealsoNote1andSection21.2.ReferencedDocuments2.1ASTMStandards:2D270MethodsofSamplingPetroleumandPetroleumProd-ucts(Withdrawn1984)3D1122TestMethodforDensityorRelativeDensityofEngineCoolantConcentratesandEngineCoolantsByTheHydrometerD1193SpecificationforReagentWaterD1209TestMethodforColorofClearLiquids(Platinum-CobaltScale)D1218TestMethodforRefractiveIndexandRefractiveDispersionofHydrocarbonLiquidsD1364TestMethodforWaterinVolatileSolvents(KarlFischerReagentTitrationMethod)E180PracticeforDeterminingthePrecisionofASTMMethods...