Designation:C759−10StandardTestMethodsforChemical,MassSpectrometric,Spectrochemical,Nuclear,andRadiochemicalAnalysisofNuclear-GradePlutoniumNitrateSolutions1ThisstandardisissuedunderthefixeddesignationC759;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverproceduresforthechemical,massspectrometric,spectrochemical,nuclear,andradiochemi-calanalysisofnuclear-gradeplutoniumnitratesolutionstodeterminecompliancewithspecifications.1.2Theanalyticalproceduresappearinthefollowingorder:SectionsPlutoniumbyControlled-PotentialCoulometry2PlutoniumbyAmperometricTitrationwithIron(II)2PlutoniumbyDiodeArraySpectrophotometryFreeAcidbyTitrationinanOxalateSolution8to15FreeAcidbyIodatePrecipitation-PotentiometricTitrationTestMethod16to22UraniumbyArsenazoISpectrophotometricTestMethod23to33ThoriumbyThorinSpectrophotometricTestMethod34to42Ironby1,10-PhenanthrolineSpectrophotometricTestMethod43to50ImpuritiesbyICP-AESChloridebyThiocyanateSpectrophotometricTestMethod51to58FluoridebyDistillation-SpectrophotometricTestMethod59to66SulfatebyBariumSulfateTurbidimetricTestMethod67to74IsotopicCompositionbyMassSpectrometry75to76Plutonium—238IsotopicAbundancebyAlphaSpectrometryAmericium-241byExtractionandGammaCounting77to85Americium-241byGammaCounting86to94Gamma-EmittingFissionProducts,Uranium,andThoriumbyGamma-RaySpectroscopy94to102RareEarthsbyCopperSparkSpectrochemicalTestMethod103to105Tungsten,Niobium(Columbium),andTantalumbySpectrochemicalTestMethod106to114SamplePreparationforSpectrographicAnalysisforGeneralImpurities115to1181.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoest...
