【英文标准名称】:Nuclearfueltechnology-Determinationofuraniuminsolutions,uraniumhexafluorideandsolids-Part1:Iron(II)reduction/potassiumdichromateoxidationtitrimetricmethod
【原文标准名称】:核燃料技术.溶液、六氟化铀和固体中铀的测定.第1部分:铁(II)还原/重铬酸钾氧化滴定法
【标准号】:ISO7097-1-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-07
【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】:含量测定;溶液;核反应堆;铀;还原法;滴定法;测定;重铬酸钾;核燃料;试验;氧化
【英文主题词】:Determination;Determinationofcontent;Nuclearfuels;Nuclearreactors;Oxidation;Potassiumdichromate;Reductionmethods;Solutions;Testing;Tests;Titrationmethod;Titrimetry;Uranium
【摘要】:ThispartofISO7097describesananalyticalmethodforthedeterminationofuraniuminpureproductmaterialsamplessuchasUmetal,UO2,UO3,uranylnitratehexahydrate,uraniumhexafluorideandU3O8fromthenuclearfuelcycle.Thisprocedureissufficientlyaccurateandprecisetobeusedfornuclearmaterialsaccountability.Thismethodcanbeuseddirectlyfortheanalysisofmosturaniumanduraniumoxidenuclearreactorfuels,eitherirradiatedorunirradiated,andofuraniumnitrateproductsolutions.Fissionproductsequivalenttoupto10%burn-upofheavyatomsdonotinterfere,andotherelementswhichcouldcauseinterferencearenotnormallypresentinsufficientquantitytoaffecttheresultsignificantly.Themethodrecommendsthatanaliquotofsampleisweighedandthatamasstitrationisused,inordertoobtainimprovedprecisionandaccuracy.Thisdoesnotprecludetheuseofanyalternativetechniquewhichcouldgiveequivalentperformance.Astheperformanceofsomestepsofthemethodiscritical,theuseofsomeautomaticdevicehassomeadvantages,mainlyinthecaseofroutineanalysis.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:14P.;A4
【正文语种】:英语