ASTM C696-1999(2005) 核纯级二氧化铀粉末及丸的化学、质谱及光谱化学分析的标准试验方法
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【英文标准名称】:StandardTestMethodsforChemical,MassSpectrometric,andSpectrochemicalAnalysisofNuclear-GradeUraniumDioxidePowdersandPellets
【原文标准名称】:核纯级二氧化铀粉末及丸的化学、质谱及光谱化学分析的标准试验方法
【标准号】:ASTMC696-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:粉末;核技术;核能;铀;光谱测定法;丸状材料;化学分析和试验;粒状材料;二氧化铀;光谱化学分析;分析
【英文主题词】:impuritycontent;isotopiccomposition;stoichiometry;uraniumcontent;uraniumdioxide
【摘要】:Uraniumdioxideisusedasanuclear-reactorfuel.Inordertobesuitableforthispurpose,thematerialmustmeetcertaincriteriaforuraniumcontent,stoichiometry,isotopiccomposition,andimpuritycontent.ThesetestmethodsaredesignedtoshowwhetherornotagivenmaterialmeetsthespecificationsfortheseitemsasdescribedinSpecificationsC753andC776.3.1.1Anassayisperformedtodeterminewhetherthematerialhastheminimumuraniumcontentspecifiedonadryweightbasis.3.1.2Thestoichiometryoftheoxideisusefulforpredictingitssinteringbehaviorinthepelletproductionprocess.3.1.3Determinationoftheisotopiccontentoftheuraniumintheuraniumdioxidepowderismadetoestablishwhethertheeffectivefissilecontentisincompliancewiththepurchaserrsquo;specifications.3.1.4Impuritycontentisdeterminedtoensurethatthemaximumconcentrationlimitofcertainimpurityelementsisnotexceeded.Determinationofimpuritiesisalsorequiredforcalculationoftheequivalentboroncontent(EBC).1.1Thesetestmethodscoverproceduresforthechemical,massspectrometric,andspectrochemicalanalysisofnuclear-gradeuraniumdioxidepowdersandpelletstodeterminecompliancewithspecifications.1.2Thistestmethodcoversthedeterminationofuraniumandtheoxygentouraniumatomicratioinnuclear-gradeuraniumdioxidepowderandpellets.1.4Thistestmethodcoversthedeterminationofchlorineandfluorineinnuclear-gradeuraniumdioxide.Witha1to10-gsample,concentrationsof5to200g/gofchlorineand1to200956;g/goffluorinearedeterminedwithoutinterference.1.5Thistestmethodcoversthedeterminationofmoistureinuraniumdioxidesamples.Detectionlimitsareaslowas10956;g.1.6Thistestmethodcoversthedeterminationofnitridenitrogeninuraniumdioxideintherangefrom10to250956;g.1.7Thistestmethodcoversthespectrographicanalysisofnuclear-gradeUO2forthe26elementsintherangesindicatedinTable2.1.8ForsimultaneousdeterminationoftraceelementsbyplasmaemissionspectroscopyrefertoTestMethodC761.1.9Thistestmethodcoversthespectrochemicaldeterminationofsilverinnuclear-gradeuraniumdioxide.Therelativestandarddeviationis15%fortheconcentrationrangeof0.1to50956;g/g.1.10Thisprocedureisdesignedforarapiddeterminationofsurfaceareaofnuclear-gradeuraniumdioxide(UO2)powders.Thedeterminationofsurfaceareabythisprocedureisautomatic,simple,andfastenoughtobeusedinqualitycontrolwork.Therangeofanalysisisfrom1to1500m2/g.1.11Thistestmethodcoversthedeterminationofhydrogenovertherangefrom0.05to100956;gofhydrogen(H2)inuraniumdioxideUO2pelletsbyinertgasfusion.
【中国标准分类号】:F46
【国际标准分类号】:
【页数】:16P.;A4
【正文语种】:
【原文标准名称】:核纯级二氧化铀粉末及丸的化学、质谱及光谱化学分析的标准试验方法
【标准号】:ASTMC696-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:粉末;核技术;核能;铀;光谱测定法;丸状材料;化学分析和试验;粒状材料;二氧化铀;光谱化学分析;分析
【英文主题词】:impuritycontent;isotopiccomposition;stoichiometry;uraniumcontent;uraniumdioxide
【摘要】:Uraniumdioxideisusedasanuclear-reactorfuel.Inordertobesuitableforthispurpose,thematerialmustmeetcertaincriteriaforuraniumcontent,stoichiometry,isotopiccomposition,andimpuritycontent.ThesetestmethodsaredesignedtoshowwhetherornotagivenmaterialmeetsthespecificationsfortheseitemsasdescribedinSpecificationsC753andC776.3.1.1Anassayisperformedtodeterminewhetherthematerialhastheminimumuraniumcontentspecifiedonadryweightbasis.3.1.2Thestoichiometryoftheoxideisusefulforpredictingitssinteringbehaviorinthepelletproductionprocess.3.1.3Determinationoftheisotopiccontentoftheuraniumintheuraniumdioxidepowderismadetoestablishwhethertheeffectivefissilecontentisincompliancewiththepurchaserrsquo;specifications.3.1.4Impuritycontentisdeterminedtoensurethatthemaximumconcentrationlimitofcertainimpurityelementsisnotexceeded.Determinationofimpuritiesisalsorequiredforcalculationoftheequivalentboroncontent(EBC).1.1Thesetestmethodscoverproceduresforthechemical,massspectrometric,andspectrochemicalanalysisofnuclear-gradeuraniumdioxidepowdersandpelletstodeterminecompliancewithspecifications.1.2Thistestmethodcoversthedeterminationofuraniumandtheoxygentouraniumatomicratioinnuclear-gradeuraniumdioxidepowderandpellets.1.4Thistestmethodcoversthedeterminationofchlorineandfluorineinnuclear-gradeuraniumdioxide.Witha1to10-gsample,concentrationsof5to200g/gofchlorineand1to200956;g/goffluorinearedeterminedwithoutinterference.1.5Thistestmethodcoversthedeterminationofmoistureinuraniumdioxidesamples.Detectionlimitsareaslowas10956;g.1.6Thistestmethodcoversthedeterminationofnitridenitrogeninuraniumdioxideintherangefrom10to250956;g.1.7Thistestmethodcoversthespectrographicanalysisofnuclear-gradeUO2forthe26elementsintherangesindicatedinTable2.1.8ForsimultaneousdeterminationoftraceelementsbyplasmaemissionspectroscopyrefertoTestMethodC761.1.9Thistestmethodcoversthespectrochemicaldeterminationofsilverinnuclear-gradeuraniumdioxide.Therelativestandarddeviationis15%fortheconcentrationrangeof0.1to50956;g/g.1.10Thisprocedureisdesignedforarapiddeterminationofsurfaceareaofnuclear-gradeuraniumdioxide(UO2)powders.Thedeterminationofsurfaceareabythisprocedureisautomatic,simple,andfastenoughtobeusedinqualitycontrolwork.Therangeofanalysisisfrom1to1500m2/g.1.11Thistestmethodcoversthedeterminationofhydrogenovertherangefrom0.05to100956;gofhydrogen(H2)inuraniumdioxideUO2pelletsbyinertgasfusion.
【中国标准分类号】:F46
【国际标准分类号】:
【页数】:16P.;A4
【正文语种】:
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