Designation:D5273−92(Reapproved2012)StandardGuideforAnalysisofPropyleneConcentrates1ThisstandardisissuedunderthefixeddesignationD5273;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThisguidecoversalistofthemajorgradesofpropyleneconcentratesproducedinNorthAmerica.Itincludespossiblecomponentsandtestmethods,bothASTMandother,eitheractuallyused,orbelievedtobeinuse,totestfortheseproperties.Thisguideisnotintendedtobeusedorconstruedasasetofspecificationsforanygradeofpropyleneconcen-trate.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D2163TestMethodforAnalysisofLiquefiedPetroleum(LP)GasesandPropeneConcentratesbyGasChromatog-raphyD2384TestMethodsforTracesofVolatileChloridesinButane-ButeneMixturesD2504TestMethodforNoncondensableGasesinC2andLighterHydrocarbonProductsbyGasChromatographyD2505TestMethodforEthylene,OtherHydrocarbons,andCarbonDioxideinHigh-PurityEthylenebyGasChroma-tographyD2712TestMethodforHydrocarbonTracesinPropyleneConcentratesbyGasChromatographyD3227TestMethodfor(ThiolMercaptan)SulfurinGasoline,Kerosine,AviationTurbine,andDistillateFuels(PotentiometricMethod)D3246TestMethodforSulfurinPetroleumGasbyOxida-tiveMicrocoulometryD3700PracticeforObtainingLPGSamplesUsingaFloat-ingPistonCylinderD4178PracticeforCalibratingMoistureAnalyzersD4468TestMethodforTotalSulfurinGaseousFuelsbyHydrogenolysisandRateometricColorimetryD4629TestMethodforTraceNitrogeninLiquidPetroleumHydrocarbonsbySyringe/InletOxidativeCombustionandChem...