Designation:C1636−13StandardGuidefortheDeterminationofUranium-232inUraniumHexafluoride1ThisstandardisissuedunderthefixeddesignationC1636;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thismethodcoversthedeterminationof232Uinura-niumhexafluoridebyalphaspectrometry.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C787SpecificationforUraniumHexafluorideforEnrich-mentC996SpecificationforUraniumHexafluorideEnrichedtoLessThan5%235UC1163PracticeforMountingActinidesforAlphaSpectrom-etryUsingNeodymiumFluorideC1284PracticeforElectrodepositionoftheActinidesforAlphaSpectrometryC1474TestMethodforAnalysisofIsotopicCompositionofUraniuminNuclear-GradeFuelMaterialbyQuadrupoleInductivelyCoupledPlasma-MassSpectrometryD1193SpecificationforReagentWaterD3084PracticeforAlpha-ParticleSpectrometryofWaterD3648PracticesfortheMeasurementofRadioactivity2.2OtherStandardsDIN25711Determinationofthe232Uisotopiccontentinuraniumcontainingnuclearfuelsolutionsbyαspectrom-etry.3ISO21847–3NuclearFuelTechnology—AlphaSpectrometry—Part3:Determinationofuranium-232inuraniumanditscompounds.3.Terminology3.1Definitions:3.1.1region-of-interest(ROI)—thechannels,orregion,inthealphaspectrainwhichthecountsduetoaspecificradioisotopeappearonafunctioningcalibratedalphaspec-trometrysystem.3.1.2Reagentblank—DIwaterprocessedthesameasthesamples;usedinthedeterminationoftheminimumdetectableactivity.4.SummaryofGuide4.1Analiquotofhydrolyzeduraniumhexafluorideequiva-lentto...
