Designation:D8003−15StandardTestMethodforDeterminationofLightHydrocarbonsandCutPointIntervalsinLiveCrudeOilsandCondensatesbyGasChromatography1ThisstandardisissuedunderthefixeddesignationD8003;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThistestmethodcoversthedeterminationoflighthydrocarbonsandcutpointintervalsbygaschromatographyinlivecrudeoilsandcondensateswithVPCR4(seeNote1)upto500kPaat37.8°C.NOTE1—AsdescribedinTestMethodD6377.1.2Methane(C1)tohexane(nC6)andbenzenearespeciatedandquantitated.Samplescontainingmassfractionsofupto0.5%methane,2.0%ethane,10%propane,or15%isobutanemaybeanalyzed.Amassfractionwithalowerlimitof0.001%existsforthesecompounds.1.3Thistestmethodmaybeusedforthedeterminationofcutpointcarbonfractionintervals(see3.1.2)oflivecrudeoilsandcondensatesfrominitialboilingpoint(IBP)to391°C(nC24).ThenC24plusfractionisreported.1.4Deadoilsorcondensatessampledinaccordancewith12.1mayalsobeanalyzed.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5.1Exception—WherethereisnodirectSIequivalentsuchastubingsize.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1265PracticeforSamplingLiquefiedPetroleum(LP)Gases,ManualMethodD3700PracticeforObtainingLPGSamplesUsingaFloat-ingPistonCylinderD4307PracticeforPreparationofLiquidBlendsforUseasAnalyticalStandardsD5002TestMethodforDensityandRelativeDensityofCrudeOilsbyDigitalDensityAnalyzerD6299PracticeforApplyingStatisticalQualityAssuranceandControlChartingTechniquestoEvaluateAnalyticalMeasurementSystemPerformanceD6377Te...
