基本信息
| 标准名称： | 石棉水泥输水管 |
| 中标分类： |
建材 >>
建材产品 >>
混凝土制品 |
| 替代情况： | 被GB/T 3039-1994代替 |
| 发布日期： | |
| 实施日期： | 1982-12-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 9页 |
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所属分类： 建材 建材产品 混凝土制品
【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(2009)
【标准状态】:现行
【国别】:美国
【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】:
【英文主题词】:uraniumisotopelimits;uraniumsolutions;uranylnitrate;Nuclearmaterials/applications--specifications;Uranium--specifications;Uranylnitratesolutions
【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,Title10,Part50(latestedition).1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,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】:英语