Designation:D7651−10StandardTestMethodforGravimetricMeasurementofParticulateConcentrationofHydrogenFuel1ThisstandardisissuedunderthefixeddesignationD7651;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodisprimarilyintendedforgravimetricdeterminationofparticulatesinhydrogenintendedasafuelforfuelcellorinternalcombustionenginepoweredvehicles.Thistestmethoddescribesoperatingandqualitycontrolproceduresrequiredtoobtaindataofknownqualitysatisfyingtherequire-mentsofSAEJ2719andtheCaliforniaCodeofRegulations,Title4,Division9,Chapter6,Article8,Sections4180–4181.Thelevelsofprecisionandaccuracystated.Thistestmethodcanbeappliedtoothergaseoussamplesrequiringdetermina-tionofparticulatesprovidedtheuser’sdataqualityobjectivesaresatisfied.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D7650TestMethodforTestMethodforSamplingofPar-ticulateMatterinHighPressureHydrogenusedasaGaseousFuelwithanIn-StreamFilter2.2SAEStandards:3SAEJ2719HydrogenQualityGuidelineforFuelCellVehicles,April2008SAEJ2600CompressedHydrogenSurfaceVehicleRefuel-ingConnectionDevices2.3OtherStandards:CaliforniaCodeofRegulations,Title4,Division9,Chapter6,Article8,Sections4180–41814ISO14687Hydrogenfuel--Productspecification--Part1:Allapplicationsexceptprotonexchangemembrane(PEM)fuelcellforroadvehicles53.Terminology3.1Acronyms:3.1.1FCV—HydrogenFuelCellVehicle3.1.2PSA—Particulatesamplingadapterforsamplingpar-ticulateinhydrogenfuel.3.1.3PEM—PolymerElectrolyte...
