Designation:D5234−92(Reapproved2017)StandardGuideforAnalysisofEthyleneProduct1ThisstandardisissuedunderthefixeddesignationD5234;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversandprovidesdirectionfortheanalysisofethyleneproductinawaythatallowstheanalysttoknowthepossibletestmethods,theunitsofmeasure,andthepotentialconcentrationsrangeofpossiblecomponents,sothattheconsistencyoftheanalyticalmeasurementsisimproved.Thisguideisnotintendedtobeused,nortobeconstruedinanyway,asasetofspecificationsforethyleneproduct.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D2504TestMethodforNoncondensableGasesinC2andLighterHydrocarbonProductsbyGasChromatographyD2505TestMethodforEthylene,OtherHydrocarbons,andCarbonDioxideinHigh-PurityEthylenebyGasChroma-tographyD3246TestMethodforSulfurinPetroleumGasbyOxida-tiveMicrocoulometryD4178PracticeforCalibratingMoistureAnalyzersD4468TestMethodforTotalSulfurinGaseousFuelsbyHydrogenolysisandRateometricColorimetryF307PracticeforSamplingPressurizedGasforGasAnaly-sis3.Terminology3.1Definitions:3.1.1ethyleneproduct,n—hydrocarbonproductcontainingatleast99.85%massethylene.3.2Symbols:3.2.1C4s,n—saturatedandunsaturatedfourcarbonhydro-carboncompounds.3.2.2COS,n—carbonylsulfide.3.2.3GC,n—gaschromatograph.3.2.4FPD,n—flamephotometricdetector.3.2.5IC,n—ionchromatograph.3.2.6MeOH,n—methanol.3.2.7NO,n—nitricoxide.3.2.8NO2,n—nitrogendioxide.3.2.9O2,n—oxygen.3.2.10sp.ionelectrode,n—specificionelectrode.4.SignificanceandUse4.1Whenthevarious...
