Designation:D5153−22StandardTestMethodforPalladiuminMolecularSieveCatalystbyAtomicAbsorptionSpectrophotometry1ThisstandardisissuedunderthefixeddesignationD5153;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofpalladiuminmolecularsieve-containingfreshcatalystswithabout0.5weight%ofpalladium.1.2Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1193SpecificationforReagentWaterD7442PracticeforSamplePreparationofFluidCatalyticCrackingCatalystsandZeolitesforElementalAnalysisbyInductivelyCoupledPlasmaOpticalEmissionSpectros-copyE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE456TerminologyRelatingtoQualityandStatisticsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodE1272SpecificationforLaboratoryGlassGraduatedCylin-ders2.2U.S.FederalSpecification:3FederalSpec.NNN-P-395CToleranceforClassAPipets3.SummaryofTestMethod3.1Warning—Thistestmethodrequirestheuseofanextremelyhazardoussubstance,hydrofluoricacid.PleaserefertoAppendixX1andAppendixX2foradditionalsafetyrequirements.3.2Thetestsampleistreatedwithamixtureofsulfuricandhydrofluoricacids.Upondisso...
