【英文标准名称】:StandardTestMethodsforChemical,MassSpectrometric,andSpectrochemicalAnalysisofNuclear-GradeMixedOxides((U,Pu)O2)
【原文标准名称】:核纯级混合氧化物(UO2,PuO2)的化学、质谱及光谱化学分析标准试验方法
【标准号】:ASTMC698-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C26.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:光谱测定法;分析;化学分析和试验;光谱化学分析;核能;核技术;混合氧化物;氧化物;试验
【英文主题词】:Carboncontent-nuclearmaterials
【摘要】:Mixedoxide,amixtureofuraniumandplutoniumoxides,isusedasanuclear-reactorfuelintheformofpellets.Theplutoniumcontentmaybeupto10weight%,andthediluenturaniummaybeofany235Uenrichment.Inordertobesuitableforuseasanuclearfuel,thematerialmustmeetcertaincriteriaforcombineduraniumandplutoniumcontent,effectivefissilecontent,andimpuritycontentasdescribedinSpecificationC833.3.1.1Thematerialisassayedforuraniumandplutoniumtodeterminewhethertheplutoniumcontentisasspecifiedbythepurchaser,andwhetherthematerialcontainstheminimumcombineduraniumandplutoniumcontentsspecifiedonadryweightbasis.3.1.2Determinationoftheisotopiccontentoftheplutoniumanduraniuminthemixedoxideismadetoestablishwhethertheeffectivefissilecontentisincompliancewiththepurchaser’specifications.3.1.3Impuritycontentisdeterminedtoensurethatthemaximumconcentrationlimitofcertainimpurityelementsisnotexceeded.Determinationofimpuritiesisalsorequiredforcalculationoftheequivalentboroncontent(EBC).1.1Thesetestmethodscoverproceduresforthechemical,massspectrometric,andspectrochemicalanalysisofnuclear-grademixedoxides,(U,Pu)O2,powdersandpelletstodeterminecompliancewithspecifications.1.2Theanalyticalproceduresappearinthefollowingorder:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Forspecificsafeguardandsafetyprecautionstatements,seeSections11,20,64,and112and102.6.1.)
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:29P.;A4
【正文语种】: