Designation:D7974−15StandardTestMethodforDeterminationofFarnesane,SaturatedHydrocarbons,andHexahydrofarnesolContentofSynthesizedIso-Paraffins(SIP)FuelforBlendingwithJetFuelbyGasChromatography1ThisstandardisissuedunderthefixeddesignationD7974;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationoffarnesane(2,6,10-trimethyldodecane),saturatedhydrocarbons,andhexa-hydrofarnesolcontentinsynthesizediso-paraffins(SIP)fuelforblendingwithjetfuelbygaschromatography.1.2Farnesaneisdeterminedfrom96%to99.9%bymass.Sumofsaturatedhydrocarbonsincludingfarnesaneisdeter-minedfrom97%to99.9%bymass,andhexahydrofarnesolisdeterminedfrom0.02%to2.0%bymass.1.3Thistestmethoddoesidentifyandquantifymainimpuritiesorgrouptypeofimpuritiesbutdoesnotpurporttoidentifyallindividualcomponentsthatcanbepresentinsynthesizediso-paraffins(SIP)fuelforjetfuelblending.1.4Thistestmethodisinappropriateforimpuritiesthatboilattemperatureshigherthan460°Corforimpuritiesthatcausepoorornoresponseinaflameionizationdetector.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D4057PracticeforManualSamplingofPetroleumandPetroleumProductsD4307PracticeforPreparationofLiquidBlendsforUseasAnalyticalStandardsD7566SpecificationforAviationTurbineFuelContainingSynthesizedHydrocarbonsE355PracticeforGasChromatographyTermsandRelation-shipsE594PracticeforTestingFlameIonizationDetectorsUsedinGasorSupercriticalFluidChromatography3.Terminology3.1Definitions:3.1....