Designation:D4699−03(Reapproved2013)StandardTestMethodforVibratoryPackingDensityofLargeFormedCatalystandCatalystCarrierParticles1ThisstandardisissuedunderthefixeddesignationD4699;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofthevibra-torypackingdensityofformedcatalystandcatalystcarrierparticlesthatwillnotbreakupsignificantlyundertestcondi-tions.Forthepurposeofthistest,catalystparticlesaredefinedasextrudates,spheresorformedpelletsgreaterthan4.8mm.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D3766TerminologyRelatingtoCatalystsandCatalysisE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE456TerminologyRelatingtoQualityandStatisticsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1Definitions—SeeTerminologyD3766.4.SummaryofTestMethod4.1Aknownsampleofenvironmentallyequilibratedformedcatalystorcatalystcarrierparticlesisvibratedinagraduatedcylinder.Thevibratorypackingdensityisdeter-minedforaspecifieddryingcondition.5.SignificanceandUse5.1Thistestmethodisusedformeasuringthevibratorypackingdensityofformedparticlesusedinfixedbedreactors,driers,andsoforth.6.Apparatus6.1GraduatedCylinder,capacity2000-mL.6.2VibratoryPlate.36.3Desiccator,withadesiccantgrademolecularsievesuchas4A.6.4Balance,havingasensitivityof1.0g.6.5Balance,havingasensitivityof0.1g.6.6DryingOven.7.Procedure7.1Equilibratetestsampletolaboratoryenvironmentfor4h.7...
