ISO 8298-2000 核燃料技术硝酸溶液中毫克量钚的测定铈(Ⅳ)氧化和铁Ⅱ还原后用重铬酸钾电位滴定法

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【英文标准名称】:Nuclearfueltechnology-Determinationofmilligramamountsofplutoniuminnitricacidsolutions-PotentiometrictitrationwithpotassiumdichromateafteroxidationbyCE(IV)andreductionbyFE(II)
【原文标准名称】:核燃料技术硝酸溶液中毫克量钚的测定铈(Ⅳ)氧化和铁Ⅱ还原后用重铬酸钾电位滴定法
【标准号】:ISO8298-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;钚;氧化;滴定法;滴定法;含量测定;核能;核燃料;硝酸;核动力;还原法;溶液;硝酸溶液;电位测量法;重铬酸钾;钾
【英文主题词】:Chemicalanalysisandtesting;Determinationofcontent;Nitricacid;Nitricacidsolutions;Nuclearenergy;Nuclearfuels;Nuclearpower;Oxidation;Plutonium;Potassium;Potassiumdichromate;Potentiometricmethods;Reductionmethods;Solutions;Titration
【摘要】:1ThisInternationalStandarddescribesapreciseandaccurateanalyticalmethodfordetermining1mgto5mgofplutoniumpermillilitreinnitricacidsolutions.2Themethodisveryselectiveforplutonium.Itissuitableforthedirectdeterminationofplutoniuminmaterialsrangingfrompureproductsolutions,tosolutionsofmixednuclearmaterialswithauranium/plutoniumratioupto20:1.However,potentialapplicationtotheassayofplutoniuminsolutionsofirradiatednuclearfuelsandsolutionsofmixednuclearmaterialswithuranium/plutoniumratiosof20:1to33:1hasnotyetbeendocumented.3Themethodrecommendsthatthealiquotbeweighedandthatthetitrationburettesbecalibratedgravimetricallyinordertoobtainadequateprecisionandaccuracy.Thisdoesnotprecludeusinganyalternativetechniquewhichcanbeshowntogiveanequivalentaccuracy.4Asthereproducibilityofthereactionconditionsisimportanttomaintaingoodperformance,extensiveautomatizationoftheprocedureisbeneficial.
【中国标准分类号】:F48;A46
【国际标准分类号】:27_120_30
【页数】:10P.;A4
【正文语种】:英语