Designation:D3606−22StandardTestMethodforDeterminationofBenzeneandTolueneinSparkIgnitionFuelsbyGasChromatography1ThisstandardisissuedunderthefixeddesignationD3606;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthequantitationinliquidvolumepercentofbenzeneandtolueneinfinishedmotorandaviationsparkignitionfuelsbygaschromatography.Thistestmethodhastwoprocedures:ProcedureAusescapillarycolumngaschromatographyandProcedureBusespackedcolumngaschromatography.ProceduresAandBhaveseparateprecisions.1.2ThemethodhasbeenevaluatedforbenzeneusingaD6300-compliantInterlaboratoryStudy(ILS),withthelowestandhighestILSsampleconcentrationmeansasfollows:(1)ProcedureAbetween0.12%and5.2%byvolumeand(2)ProcedureBbetween0.10%and5.0%byvolume.1.3ThemethodhasbeenevaluatedfortolueneusingaD6300-compliantInterlaboratoryStudy(ILS),withthelowestandhighestILSsampleconcentrationmeansasfollows:(1)ProcedureAbetween0.4%and19.7%byvolume,and(2)ProcedureBbetween2.0%and20.0%byvolume.1.4Forreporting,thelowestandhighestconcentrationrangesforbenzeneandtolueneforProcedureAofthistestmethodperPracticeD6300see13.2.1.5Forreporting,thelowestandhighestconcentrationrangesforbenzeneandtolueneforProcedureBofthistestmethodperPracticeD6300see25.2.1.6ForbenzenebyProcedureA,thefollowingoxygenatedfuelsareincludedintheworkingrange:(1)ethanolupto20%byvolume(E20);(2)methanolupto10%byvolume(M10).FuelsM85andE85wereexcluded.1.7ForbenzenebyProcedureBthefollowingoxygenatedfuelsareincludedintheworkingrange:(1)ethanolupto20%byvolume(E20);(2)methanolupto10%byvolume(M10).FuelsM85andE85wereexcluded.1.8FortoluenebyProcedureAthefollowingoxygenatedfuelswereincludedintheworkingrange:(1)ethanolupto20%byvolume(E20);(2)M85andE85.1.9FortoluenebyProcedureBthefollowingoxygenatedfuelsareincludedintheworkingrange:(...
