Designation:C1502−16StandardTestMethodforDeterminationofTotalChlorineandFluorineinUraniumDioxideandGadoliniumOxide1ThisstandardisissuedunderthefixeddesignationC1502;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofchlorineandfluorineinnuclear-gradeuraniumdioxide(UO2)powderandpellets,nucleargradegadoliniumoxide(Gd2O3)powderandgadoliniumoxide-uraniumoxide(Gd2O3-UO2)powderandpellets.1.2Witha2gramUO2samplesizethedetectionlimitofthemethodis4µg/gforchlorineand2µg/gforfluorine.Themaximumconcentrationdeterminedwitha2gramsampleis500µg/gforbothchlorineandfluorine.Thesamplesizeusedinthistestmethodcanvaryfrom1to10gramsresultinginacorrespondingchangeinthedetectionlimitsandrange.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C753SpecificationforNuclear-Grade,SinterableUraniumDioxidePowderC776SpecificationforSinteredUraniumDioxidePelletsC859TerminologyRelatingtoNuclearMaterialsC888SpecificationforNuclear-GradeGadoliniumOxide(Gd2O3)PowderC922SpecificationforSinteredGadoliniumOxide-UraniumDioxidePelletsD1193SpecificationforReagentWater3.Terminology3.1Definitions—Exceptasotherwisedefinedherein,defini-tionsoftermsaregiveninTerminologyC859.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1accelerator—achemicalcompoundorafluxthatwilldecreasethereactiontimeorprohydrolysistime.4.SummaryofTestMethod4.1Thehalogensareseparatedfromthetestmaterialsbypyrohydrolysisinaquartzreactiontubewithastreamofwetoxy...
