ASTM C799-1999(2005) 核纯级硝酸铀酰溶液的化学的、质谱的、光谱化学的、核(放射性)及放射化学分析的标准试验方法

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【英文标准名称】:StandardTestMethodsforChemical,MassSpectrometric,Spectrochemical,Nuclear,andRadiochemicalAnalysisofNuclear-GradeUranylNitrateSolutions
【原文标准名称】:核纯级硝酸铀酰溶液的化学的、质谱的、光谱化学的、核(放射性)及放射化学分析的标准试验方法
【标准号】:ASTMC799-1999(2005)
【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】:分析;溶液;核技术;光谱化学分析;核能;硝酸盐;铀;光谱测定法;化学分析和试验
【英文主题词】:impuritycontent;isotopiccomposition;stoichiometry;uraniumcontent;uranylnitrate
【摘要】:Uranylnitratesolutionisusedasafeedmaterialforconversiontothehexafluorideaswellasfordirectconversiontotheoxide.Inordertobesuitableforthispurpose,thematerialmustmeetcertaincriteriaforuraniumcontent,isotopiccomposition,acidity,radioactivity,andimpuritycontent.ThesemethodsaredesignedtoshowwhetheragivenmaterialmeetsthespecificationsfortheseitemsdescribedinSpecificationC788.3.1.1Anassayisperformedtodeterminewhetherthematerialhasthespecifieduraniumcontent.3.1.2Determinationoftheisotopiccontentoftheuraniumismadetoestablishwhethertheeffectivefissilecontentisinaccordancewiththepurchaserrsquo;specifications.3.1.3Acidity,organiccontent,andalpha,beta,andgammaactivityaremeasuredtoestablishthattheydonotexceedtheirmaximumlimits.3.1.4Impuritycontentisdeterminedtoensurethatthemaximumconcentrationlimitofcertainimpurityelementsisnotexceeded.Impurityconcentrationsarealsorequiredforcalculationoftheequivalentboroncontent(EBC),andthetotalequivalentboroncontent(TEBC).1.1Thesetestmethodscoverproceduresforthechemical,massspectrometric,spectrochemical,nuclear,andradiochemicalanalysisofnuclear-gradeuranylnitratesolutiontodeterminecompliancewithspecifications.1.2Theanalyticalproceduresappearinthefollowingorder:1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection5.
【中国标准分类号】:F46
【国际标准分类号】:
【页数】:14P.;A4
【正文语种】:


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【英文标准名称】:Medicalgaspipelinesystems-Part4:Terminalunitsforanaestheticgasscavengingsystems;GermanversionEN737-4:1998
【原文标准名称】:医疗气体管道系统.第4部分:麻醉气体净化系统用管端装置
【标准号】:DINEN737-4-1998
【标准状态】:作废
【国别】:德国
【发布日期】:1998-02
【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】:医学科学;材料;燃气管路;麻醉设备;插接件连接;燃气管道;医用气体;管系统;管道装置;救护服务;定义;规范(验收);管连接件
【英文主题词】:Anaestheticequipment;Connectoredjoints;Definition;Definitions;Gascircuits;Gaspipelines;Materials;Medicalgases;Medicalsciences;Pipecouplings;Pipelineinstallations;Pipingsystem;Rescueandambulanceservices;Specification(approval)
【摘要】:
【中国标准分类号】:C46
【国际标准分类号】:11_040_10;23_040_60;23_060_01
【页数】:14P;A4
【正文语种】:德语


MIL-DTL-18240F, DETAIL SPECIFICATION: FASTENER ELEMENT, SELF-LOCKING, THREADED FASTENER, 250 DEG. F MAXIMUM (02 JUN 1997) [SUPERSEDING MIL-F-18240E]., This specification defines the requirements for self-locking elements for use in externally threaded fasteners such as bolts and screws to be used in fasteners with either UNC, UNJC, UNF, UNJF, UNRC or UNRF threads and where the temperatures will not exceed 250 deg. F.