ASTM C809-1994(2007) 核纯级氧化铝和氧化铝-碳化硼复合丸状材料化学、质谱和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-GradeAluminumOxideandAluminumOxide-BoronCarbideCompositePellets
【原文标准名称】:核纯级氧化铝和氧化铝-碳化硼复合丸状材料化学、质谱和光谱化学分析的标准试验方法
【标准号】:ASTMC809-1994(2007)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:C26.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:铝;氧化铝;分析;硼;碳化物;化学分析和测试;核能;核技术;丸状材料;光谱化学分析;光谱测定法
【英文主题词】:alumina/boroncarbidepellets;aluminapellets;A12O3;A12O3/B4C;analyticalmethods
【摘要】:Aluminumoxidepelletsareusedinareactorcoreasfillerorspacerswithinfuel,burnablepoison,orcontrolrods.Inordertobesuitableforthispurpose,thematerialmustmeetcertaincriteriaforimpuritycontent.ThesetestmethodsaredesignedtoshowwhetherornotagivenmaterialmeetsthespecificationsfortheseitemsasdescribedinSpecificationC785.3.1.1Impuritycontentisdeterminedtoensurethatthemaximumconcentrationlimitofcertainimpurityelementsisnotexceeded.Aluminumoxide-boroncarbidecompositepelletsareusedinareactorcoreasacomponentinneutronabsorberrods.Inordertobesuitableforthispurpose,thematerialmustmeetcertaincriteriaforboroncontent,isotopiccomposition,andimpuritycontentasdescribedinSpecificationC784.3.2.1Thematerialisassayedforborontodeterminewhethertheboroncontentisasspecifiedbythepurchaser.3.2.2Determinationoftheisotopiccontentoftheboronismadetoestablishwhetherthe10Bconcentrationisincompliancewiththepurchaserrsquo;specifications.3.2.3Impuritycontentisdeterminedtoensurethatthemaximumconcentrationlimitofcertainimpurityelementsisnotexceeded.1.1Thesetestmethodscoverproceduresforthechemical,massspectrometric,andspectrochemicalanalysisofnuclear-gradealuminumoxideandaluminumoxide-boroncarbidecompositepelletstodeterminecompliancewithspecifications.1.2Theanalyticalproceduresappearinthefollowingorder:1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Forspecificprecautionarystatements,seeSection5.)
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:6P.;A4
【正文语种】:
【原文标准名称】:核纯级氧化铝和氧化铝-碳化硼复合丸状材料化学、质谱和光谱化学分析的标准试验方法
【标准号】:ASTMC809-1994(2007)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:C26.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:铝;氧化铝;分析;硼;碳化物;化学分析和测试;核能;核技术;丸状材料;光谱化学分析;光谱测定法
【英文主题词】:alumina/boroncarbidepellets;aluminapellets;A12O3;A12O3/B4C;analyticalmethods
【摘要】:Aluminumoxidepelletsareusedinareactorcoreasfillerorspacerswithinfuel,burnablepoison,orcontrolrods.Inordertobesuitableforthispurpose,thematerialmustmeetcertaincriteriaforimpuritycontent.ThesetestmethodsaredesignedtoshowwhetherornotagivenmaterialmeetsthespecificationsfortheseitemsasdescribedinSpecificationC785.3.1.1Impuritycontentisdeterminedtoensurethatthemaximumconcentrationlimitofcertainimpurityelementsisnotexceeded.Aluminumoxide-boroncarbidecompositepelletsareusedinareactorcoreasacomponentinneutronabsorberrods.Inordertobesuitableforthispurpose,thematerialmustmeetcertaincriteriaforboroncontent,isotopiccomposition,andimpuritycontentasdescribedinSpecificationC784.3.2.1Thematerialisassayedforborontodeterminewhethertheboroncontentisasspecifiedbythepurchaser.3.2.2Determinationoftheisotopiccontentoftheboronismadetoestablishwhetherthe10Bconcentrationisincompliancewiththepurchaserrsquo;specifications.3.2.3Impuritycontentisdeterminedtoensurethatthemaximumconcentrationlimitofcertainimpurityelementsisnotexceeded.1.1Thesetestmethodscoverproceduresforthechemical,massspectrometric,andspectrochemicalanalysisofnuclear-gradealuminumoxideandaluminumoxide-boroncarbidecompositepelletstodeterminecompliancewithspecifications.1.2Theanalyticalproceduresappearinthefollowingorder:1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Forspecificprecautionarystatements,seeSection5.)
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:6P.;A4
【正文语种】:
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