【英文标准名称】:StandardTestMethodforPlutoniumbyControlled-PotentialCoulometry
【原文标准名称】:控制电势库仑法测定钚的试验方法
【标准号】:ASTMC1108-1999(2006)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:钚;库仑法;分析;试验
【英文主题词】:ontrolled-potentialcoulometry;coulometry;electroanalyticalmethodforplutonium;plutoniumanalysis;plutoniumassayusingelectrolysis
【摘要】:Factorsgoverningselectionofamethodforthedeterminationofplutoniumincludeavailablequantityofsample,samplepurity,desiredlevelofreliability,andequipment.4.1.1Thistestmethoddetermines5to10mgofplutoniumwithpriordissolutionusingPracticeC1168.4.1.2Thistestmethodcalculatesplutoniumassayusingphysicalconstantsasreferencestandards.4.1.3Chemicalstandardsareusedforqualitycontrolwhenpriorchemicalseparationofplutoniumisnecessarytoremoveinterferences(9).CommitteeC-26SafeguardsStatement4:4.2.1Thematerials(plutoniummetal,plutoniumoxideormixedoxide[(U,Pu)O2]powdersandpellets)towhichthistestmethodappliesaresubjecttonuclearsafeguardsregulationsgoverningtheirpossessionanduse.Materialsforusebythecommercialnuclearcommunitymustalsomeetcompositionalspecifications.4.2.2TheanalyticalmethodinthistestmethodbothmeetsU.S.DepartmentofEnergyguidelinesforacceptabilityofameasurementmethodforgenerationofsafeguardsaccountabilitymeasurementdataandalsoprovidesdatathatmaybeusedtodemonstratespecificationcomplianceinbuyer-sellerinteractions.1.1Thistestmethoddescribesthedeterminationofplutoniuminsolutionsofunirradiatednuclear-grade(thatis,high-purity)materialsbycontrolled-potentialcoulometry.Controlled-potentialcoulometrymaybeperformedinachoiceofsupportingelectrolytes,suchas0.9MHNO3,1MHClO4,1MHCl,5MHCl,and0.5MH2SO4.LimitationsontheuseofselectedsupportingelectrolytesarediscussedinSection5.Optimumquantitiesofplutoniumforthisprocedureare5to10mg.1.2Plutonium-bearingmaterialsareradioactiveandtoxic.Adequatelaboratoryfacilities,suchasglovedboxes,fumehoods,controlledventilation,etc.,alongwithsafetechniquesmustbeusedinhandlingspecimenscontainingthesematerials.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:8P.;A4
【正文语种】: