【英文标准名称】:StandardSpecificationforSintered(Uranium-Plutonium)DioxidePellets
【原文标准名称】:烧结的二氧化铀、钚芯块标准规范
【标准号】:ASTMC833-2001
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:C26.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:二氧化物;核能;烧结
【英文主题词】:lightwaterreactors;mixedoxidefuel;nuclearfuel;plutonium;plutoniumdisposition;thermalreactors;uranium-plutoniumoxide
【摘要】:1.1Thisspecificationcoversfinishedsinteredandground(uranium-plutonium)dioxidepelletsforuseinthermalreactors.Itappliestouranium-plutoniumdioxidepelletscontainingplutoniumadditionsupto15%weight.Thisspecificationmaynotcompletelycovertherequirementsforpelletsfabricatedfromweapons-derivedplutonium.1.2Thisspecificationdoesnotinclude(1)provisionsforpreventingcriticalityaccidentsor(2)requirementsforhealthandsafety.Observanceofthisspecificationdoesnotrelievetheuseroftheobligationtobeawareofandconformtoallapplicableinternational,federal,state,andlocalregulationspertainingtopossessing,processing,shipping,orusingsourceorspecialnuclearmaterial.ExamplesofU.S.governmentdocumentsareCodeofFederalRegulationsTitle10,Part50-DomesticLicensingofProductionandUtilizationFacilities;Title10,Part71-PackagingandTransportationofRadioactiveMaterial;andTitle49,Part173-GeneralRequirementsforShipmentsandPackaging.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetechnicalrequirementsportion,Section4,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:StandardTestMethodsforSeleniuminWater
【原文标准名称】:水中硒含量的标准试验方法
【标准号】:ASTMD3859-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:atomicabsorption;furnace(MethodB);hydridetechnique(MethodA);selenium;totalrecoverableselenium;water;Atomicabsorptionspectrophotometry/spectroscopy;Dissolvedelements(ofwater);Furnaces;GaseoushydrideAAS;Graphitefurnaceatomic
【摘要】:Inmostnaturalwatersseleniumconcentrationsseldomexceed10x03BC;g/L.However,therunofffromcertaintypesofseleniferoussoilsatvarioustimesoftheyearcanproduceconcentrationsashighasseveralhundredmicrogramsperlitre.Additionally,industrialcontaminationcanbeasignificantsourceofseleniuminriversandstreams.Highconcentrationsofseleniumindrinkingwaterhavebeensuspectedofbeingtoxictoanimallife.Seleniumisaprioritypollutantandallpublicwateragenciesarerequiredtomonitoritsconcentration.Thesetestmethodsdeterminethedominantspeciesofseleniumreportedlyfoundinmostnaturalandwastewaters,includingselenities,selenates,andorgano-seleniumcompounds.1.1Thesetestmethodscoverthedeterminationofdissolvedandtotalrecoverableseleniuminmostwatersandwastewaters.Bothtestmethodsutilizeatomicabsorptionprocedures,asfollows:
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