【英文标准名称】:Nuclearfueltechnology-Controlled-potentialcoulometricassayofplutonium
【原文标准名称】:核燃料技术.钚的控制电势库仑法分析
【标准号】:ISO12183-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-02
【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】:核燃料;测定;含量测定;化学分析和试验;硝酸盐;钚无机化合物;核能;库仑法;库仑计;钚;裂变材料
【英文主题词】:nuclearfuels;nitrates;plutonium;plutoniuminorganiccompounds;nuclearenergy;chemicalanalysisandtesting;determination;fissilematerials;coulometry;coulometricmethods;determinationofcontent
【摘要】:ThisInternationalStandardspecifiesananalyticalmethodfortheelectrochemicalassayofpureplutoniumnitratesolutionsofnucleargrade,withatotaluncertaintyof0,1%to0,2%attheconfidencelevelof0,95forasingledetermination.Themethodissuitableforaqueoussolutionscontainingmorethan0,5g/Lplutoniumandtestsamplescontainingbetween4mgand15mgofplutonium.Applicationofthistechniquetosolutionscontaininglessthan0,5g/L,andtestsamplescontaininglessthan4mgofplutonium,mustbedemonstratedbytheuserashavingadequatereliabilityfortheirspecificapplication.Preliminarypurificationbyanionexchangeisrequiredtoremoveinterferingsubstanceswhenpresentinsignificantamounts.Purificationisalsoappropriateinsituationswherethepurityofthesampleisunknownorwhenitmayunpredictablyfluctuateinthemanufacturingprocess.RefertoClause9foradiscussionofinterferencesandironcorrections.Clause10discussesthechangesinapplicationofthemethodandmethodologythatcanbeappliedandimportantconsiderationswhenselectingmeasurementparameters,whilestillremainingwithintheintendedscopeofthisInternationalStandard.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:24P;A4
【正文语种】:英语