【英文标准名称】:StandardSpecificationforNuclear-GradeUranylNitrateSolutionorCrystals
【原文标准名称】:核纯级硝酸铀酰溶液或晶体的标准规范
【标准号】:ASTMC788-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:铀;溶液;核能;硝酸盐;核技术
【英文主题词】:uraniumisotopelimits;uraniumsolutions;uranylnitrate
【摘要】:1.1Thisspecificationappliestonuclear-gradeaqueousuranylnitratesolutionorcrystalsnotexceeding5%235UintendedforsubsequentmanufactureintoeitherUF6(forfeedtoanenrichmentplant)ordirectconversiontouraniumoxide(foruseinreactors).1.2Thisspecificationisintendedtoprovidethenuclearindustrywithageneralstandardforaqueousuranylnitratesolutionorcrystals.Itrecognizesthediversityofmanufacturingmethodsandtheprocessestowhichitissubsequentlytobesubjected.Itisthereforeanticipatedthatitmaybenecessarytoincludesupplementaryspecificationlimitsbyagreementbetweenpurchaserandmanufacturer.DifferentlimitsareappropriatedependingonwhetherornottheuranylnitrateistobeconvertedtoUF6forsubsequentprocessing.1.3Thepurposeofthisspecificationis:(a)todefinetheimpurityanduraniumisotopelimitsforcommercialstandarduranylnitrate,and(b)todefineadditionallimitsforreprocesseduranylnitrate(oranymixtureofreprocessedandcommercialstandarduranylnitrate).Forsuchuranylnitrates,specialprovisionsmayneedtobemadetoensurethatnoextrahazardarisestotheemployees,theprocessequipment,ortheenvironment.1.4Thescopeofthisspecificationdoesnotcomprehensivelycoverallprovisionsforpreventingcriticalityaccidents,forhealthandsafety,orforshipping.Observanceofthisstandarddoesnotrelievetheuseroftheobligationtoconformtoallinternational,federal,stateandlocalregulationsforprocessing,shipping,oranyotherwayofusingtheuranylnitrate.AnexampleofaU.S.GovernmentDocumentistheCodeofFederalRegulations(latestedition),Title10,Part50.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:Alphanumericofficemachines;alphanumerickeyboards,keyboardarrangementformanuallyoperatedtypewriters
【原文标准名称】:办公技术和数据技术.字母数字键盘.手动作打字机的按键排列次序
【标准号】:DIN2112-1956
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】: