Designation:D3606−10´1StandardTestMethodforDeterminationofBenzeneandTolueneinFinishedMotorandAviationGasolinebyGasChromatography1ThisstandardisissuedunderthefixeddesignationD3606;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—Subsection1.3andNote7werecorrectededitoriallyinApril2016.1.Scope*1.1Thistestmethodcoversthedeterminationofbenzeneandtolueneinfinishedmotorandaviationgasolinesbygaschromatography.1.2Benzenecanbedeterminedbetweenthelevelsof0.1and5volume%andtoluenecanbedeterminedbetweenthelevelsof2and20volume%.1.3Theprecisionforthistestmethodwasdeterminedusingconventionalgasolineaswellasgasolinescontainingoxygen-ates(etherssuchasmethyltert-butylether,ethyltert-butylether,tert-amylmethylether,andethanol).1.4Methanolmaycauseinterference.AppendixX1pro-videsanoptionformodifyingthetestmethodforanalyzingsamplescontainingethanol.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D4057PracticeforManualSamplingofPetroleumandPetroleumProductsE694SpecificationforLaboratoryGlassVolumetricAppa-ratusE969SpecificationforGlassVolumetric(Transfer)PipetsE1044SpecificationforGlassSerologicalPipets(GeneralPurposeandKahn)E1293SpecificationforGlassMeasuringPipets3.SummaryofTestMethod3.1Aninternalstandard,methylethylketone(MEK),isaddedtothesamplewhichisthenintroducedintoagaschromatographequippedwithtwocolumnsconnectedinseries.Thesamplepassesfirstthroughacolumnpackedwithanonpolarphasesuchasdimethylpolysiloxane(8.1.1)whichseparatesthecomponent...
