ASTM C1347-2008 分析用铀材料制备和溶解的标准实施规程

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【英文标准名称】:StandardPracticeforPreparationandDissolutionofUraniumMaterialsforAnalysis
【原文标准名称】:分析用铀材料制备和溶解的标准实施规程
【标准号】:ASTMC1347-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:dissolution;microwavedissolution;microwaveoven;uranium-aluminumalloy;uraniumash;uraniumdissolution;uraniummetal;uraniumoxide;uraniumscrap;Dissolution;Nuclearscrapandwastematerials;Uraniumdissolution;Uraniummetal;Uraniumox
【摘要】:ThematerialscoveredthatmustmeetASTMspecificationsareuraniummetalanduraniumoxide.Uraniummaterialsareusedasnuclearreactorfuel.Forthisuse,thesematerialsmustmeetcertaincriteriaforuraniumcontent,uranium-235enrichment,andimpuritycontent,asdescribedinSpecificationsC753andC776.Thematerialisassayedforuraniumtodeterminewhetherthecontentisasspecified.Uraniumalloys,refractoryuraniummaterials,anduraniumcontainingscrapandashareuniqueuraniummaterialsforwhichtheusermustdeterminetheapplicabilityofthispractice.Ingeneral,theseuniqueuraniummaterialsaredissolvedwithvariousacidmixturesorbyfusionwithvariousfluxes.1.1Thispracticecoversdissolutiontreatmentsforuraniummaterialsthatareapplicabletothetestmethodsusedforcharacterizingthesematerialsforuraniumelemental,isotopic,andimpuritiesdeterminations.Dissolutiontreatmentsforthemajoruraniummaterialsassayedforuraniumoranalyzedforothercomponentsarelisted.1.2Thetreatments,inorderofpresentation,areasfollows:ProcedureTitle
Section
DissolutionofUraniumMetalandOxidewithNitricAcid
8.1
DissolutionofUraniumOxideswithNitricAcidandResidueTreatment
8.2
DissolutionofUranium-AluminumAlloysinHydrochloricAcidwithResidueTreatment
8.3
DissolutionofUraniumScrapandAshbyLeachingwithNitricAcidandTreatmentofResiduebyCarbonateFusion
8.4
DissolutionofRefractoryUranium-ContainingMaterialbyCarbonateFusion
8.5
DissolutionofUraniumx2014;AluminumAlloysUraniumScrapandAsh,andRefractoryUranium-ContainingMaterialsbyMicrowaveTreatment
8.6