【英文标准名称】:StandardPracticeforPreparationandDissolutionofPlutoniumMaterialsforAnalysis
【原文标准名称】:分析用钚材料的制备和溶解的标准实施规程
【标准号】:ASTMC1168-2008
【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】:compilationofdissolutiontechniques;plutoniumanalysispreparation;plutoniumdissolution;plutoniummetaldissolution;plutoniumoxidedissolution;uranium-plutoniummixedoxidedissolution;Chemicalanalysis--nuclearmaterials;Contamination--nuc
【摘要】:Thematerialscoveredareplutoniummetal,plutoniumoxide,anduranium-plutoniummixedoxide,includingthosethatmustmeetASTMproductspecifications.Plutoniumanduraniummixturesareusedasnuclearreactorfuels.Foruseasanuclearreactorfuel,thematerialmustmeetcertaincriteriaforcombineduraniumandpluto-niumcontent,effectivefissilecontent,andimpuritycontentasdescribedinSpecificationsC757,C833,andC1008.Thematerialisassayedforplutoniumanduraniumtodetermineifthecontentiscorrectasspecifiedbythepurchaser.Thematerialsnotcoveredareuniqueplutoniummaterials,includingalloys,compounds,andscrapmaterials.Theusermustdeterminetheapplicabilityofthispracticetotheseothermaterials.Ingeneral,theseuniqueplutoniummaterialsaredissolvedwithvariousacidmixturesorbyfusionwithvariousfluxes.Manyplutoniumsaltsaresolubleinhydrochloricacid.1.1Thispracticeisacompilationofdissolutiontechniquesforplutoniummaterialsthatareapplicabletothetestmethodsusedforcharacterizingthesematerials.Dissolutiontreatmentsforthemajorplutoniummaterialsassayedforplutoniumoranalyzedforothercomponentsarelisted.Aliquantsofthedissolvedsamplesaredispensedonaweightbasiswhenoneoftheanalysesmustbehighlyreliable,suchasplutoniumassay;otherwisetheyaredispensedonavolumebasis.1.2Thetreatments,inorderofpresentation,areasfollows:
ProcedureTitle
Section
DissolutionofPlutoniumMetalwithHydrochloricAcid
9.1
DissolutionofPlutoniumMetalwithSulfuricAcid
9.2
DissolutionofPlutoniumOxideandUranium-PlutoniumMixedOxidebytheSealed-RefluxTechnique
9.3
DissolutionofPlutoniumOxideandUranium-PlutoniumMixedOxidesbySodiumBisulfateFusion
9.4
DissolutionofUranium-PlutoniumMixedOxidesandLow-FiredPlutoniumOxideinBeakers
9.5