ISO 11483-2005 核燃料技术.钚源的制备以及利用α谱仪测定238Pu/239Pu同位素比值

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【英文标准名称】:Nuclearfueltechnology-PreparationofplutoniumsourcesanddeterminationofPu/Puisotoperatiobyalphaspectrometry
【原文标准名称】:核燃料技术.钚源的制备以及利用α谱仪测定238Pu/239Pu同位素比值
【标准号】:ISO11483-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-01
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:测定;核燃料;光谱测定法;抽样方法;钚;试样制备;放射性废物;放射性同位素;核能
【英文主题词】:specimenpreparation;nuclearfuels;plutonium;spectrometry;nuclearenergy;radioactivewastes;radioactiveisotopes;determination;samplingmethods
【摘要】:ThisInternationalStandarddescribesthreesimpleandfastprocedurestoprepareplutoniumsourcesandaproceduretomeasuretheactivityratioofPuto(Pu+Pu)byαspectrometry.TheαspectrometrymethodisusedforthedeterminationofisotopicabundanceofPuincombinationwithmassspectrometryandeliminatesthepossibleinterferencesofUinthelattermethod.Itappliestotheanalysisofpurifiedsolutionsofplutoniumin2mol/lto4mol/lnitricacidcontaining50μgto200μgofplutoniumpermillilitre,asmayresultfromthechemicaltreatmentandpurificationprecedingplutoniumisotopicanalysisbymassspectrometry.ThisInternationalStandardappliestoplutoniumsolutionsfreefromAmandthosecontaininglessthan10%ofothernon-volatileimpuritiesrelativetotheplutoniumcontent.AnionexchangechromatographyinaccordancewithISO8299:1993,Subclauses7.2and7.3,orsolventextractionchromatographyinISO15366aresuitablepurificationmethods.ThemethodsgiveninthisInternationalStandardareintendedforuseinconjunctionorinparallelwithmassspectrometryfortheisotopicanalysisofplutoniuminspent-fuelsolutionsornuclear-gradeplutoniumproducts.
【中国标准分类号】:F40
【国际标准分类号】:27_120_30
【页数】:18P;A4
【正文语种】:英语