1、Designation:C69611Standard Test Methods forChemical,Mass Spectrometric,and SpectrochemicalAnalysis of Nuclear-Grade Uranium Dioxide Powders andPellets1This standard is issued under the fixed designation C696;the number immediately following the designation indicates the year oforiginal adoption or,i
2、n the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 These test methods cover procedures for the chemical,mass spectrometric,and spectrochemi
3、cal analysis of nuclear-grade uranium dioxide powders and pellets to determinecompliance with specifications.1.2 The analytical procedures appear in the following order:SectionsUranium by Ferrous Sulfate Reduction in PhosphoricAcid and Dichromate Titration Method2C1267 Test Method for Uranium By Iro
4、n(II)Reduc-tion In Phosphoric Acid Followed By Chromium(VI)Titration In The Presence of Vanadium3Uranium and Oxygen Uranium Atomic Ratio by theIgnition(Gravimetric)Impurity Correction Method4C1453 Standard Test Method for the Determinationof Uranium by Ignition and Oxygen to Uranium Ratio(O/U)Atomic
5、 Ratio of Nuclear Grade Uranium Diox-ide Powders and Pellets3Carbon(Total)by Direct Combustion-Thermal Con-ductivity Method2C1408 Test Method for Carbon(Total)in UraniumOxide Powders and Pellets By Direct Combustion-Infrared Detection Method3Total Chlorine and Fluorine by Pyrohydrolysis Ion-Selectiv
6、e Electrode Method4C1502 Standard Test Method for the Determina-tion of Total Chlorine and Fluorine in Uranium Diox-ide and Gadolinium Oxide3Moisture by the Coulometric,Electrolytic MoistureAnalyzer Method7 14Nitrogen by the Kjeldahl Method15 22Isotopic Uranium Composition by Multiple-FilamentSurfac
7、e Ionization Mass Spectrometric Method5Spectrochemical Determination of Trace Elements inHigh-Purity Uranium Dioxide23 30Silver,Spectrochemical Determination of,by GalliumOxideCarrier D-C Arc Technique31 and 32Rare Earths by Copper Spark-SpectrochemicalMethod2Impurity Elements by a Spark-Source Mass
8、 Spectro-graphic Method2C761 Test Method for Chemical,MassSpectrometric,Spectrochemical,Nuclear,and Ra-diochemical Analysis of Uranium Hexafluoride3C1287 Test Method for Determination of ImpuritiesIn Uranium Dioxide By Inductively Coupled PlasmaMass Spectrometry3Surface Area by Nitrogen Absorption M
9、ethod33 39Total Gas in Reactor-Grade Uranium Dioxide Pellets2Thorium and Rare Earth Elements by Spectroscopy2Hydrogen by Inert Gas Fusion4C1457 Standard Test Method for Determination ofTotal Hydrogen Content of Uranium Oxide Powdersand Pellets by Carrier Gas Extraction3Uranium Isotopic Analysis by M
10、ass Spectrometry2C1413 Test Method for Isotopic Analysis of Hydro-lysed Uranium Hexafluoride and Uranyl Nitrate Solu-tions By Thermal Ionization Mass Spectrometry32.Referenced Documents2.1 ASTM Standards:3C753 Specification for Nuclear-Grade,Sinterable UraniumDioxide PowderC761 Test Methods for Chem
11、ical,Mass Spectrometric,Spectrochemical,Nuclear,and Radiochemical Analysis ofUranium HexafluorideC776 Specification for Sintered Uranium Dioxide PelletsC1267 Test Method for Uranium by Iron(II)Reduction inPhosphoric Acid Followed by Chromium(VI)Titration inthe Presence of VanadiumC1287 Test Method f
12、or Determination of Impurities inNuclear Grade Uranium Compounds by InductivelyCoupled Plasma Mass SpectrometryC1347 Practice for Preparation and Dissolution of UraniumMaterials for AnalysisC1408 Test Method for Carbon(Total)in Uranium OxidePowders and Pellets By Direct Combustion-Infrared De-tectio
13、n MethodC1413 Test Method for Isotopic Analysis of HydrolyzedUranium Hexafluoride and Uranyl Nitrate Solutions byThermal Ionization Mass SpectrometryC1453 Test Method for the Determination of Uranium by1These test methods are under the jurisdiction of ASTM Committee C26 onNuclear Fuel Cycle and are
14、the direct responsibility of Subcommittee C26.05 onMethods of Test.Current edition approved Sept.1,2011.Published October 2011.Originallyapproved in 1972.Last previous edition approved in 2005 as C696 99(2005).DOI:10.1520/C0696-11.2Discontinued January 1999.See C69680.3For referenced ASTM standards,
15、visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4Discontinued September 2011.5Discontinued as of May 30,1980.Copyright ASTM International,100 Bar
16、r Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 Ignition and the Oxygen to Uranium(O/U)Atomic Ratioof Nuclear Grade Uranium Dioxide Powders and PelletsC1457 Test Method for Determination of Total HydrogenContent of Uranium Oxide Powders and Pellets by CarrierGas ExtractionC1502 Test Method for Determination of Total Chlorine andFluorine in Uranium Dioxide and Gadolinium OxideD1193 Specification for Reagent WaterE115 Practice for Photographic Processing in Optical Emis-s
