ASTM C1416-2004(2009) 用X射线荧光法分析天然水和废水中铀的标准试验方法

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【英文标准名称】:StandardTestMethodforUraniumAnalysisinNaturalandWasteWaterbyX-RayFluorescence
【原文标准名称】:用X射线荧光法分析天然水和废水中铀的标准试验方法
【标准号】:ASTMC1416-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:
【英文主题词】:uranium;wastewater;x-rayfluorescence;Freshwater;Naturalwater;Traceelements--nuclearmaterials;Uranium;XRF(X-rayfluorescence)--nuclearmaterials
【摘要】:Uraniumproductionfacilitiesmustcontroltraceuraniumcontentintheirwastewaters.Colorimetricandfluorimetricmethodshavebeendevelopedbutrequireatediousseparationofinterferingelements.TraceuraniumcanalsobedeterminedbyICP-MSbutnotallwatermatricesareadapted(forexample,waterswithhighsaltcontent).DirectX-rayfluorescencecanbedoneontheliquidbutwithadetectionlimitof8764;5mg/LX-rayfluorescenceaftercollectionofuraniumofferstheadvantagestoreachlowdetectionlimits(0.05mg/L)andtoavoidhandlingaliquidinthespectrometer.1.1Thistestmethodappliesforthedeterminationoftraceuraniumcontentinwastewater.ItcoversconcentrationsofUbetween0.05mg/Land2mg/L.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:3P.;A4
【正文语种】:英语


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【英文标准名称】:Connectorsetsandinterconnectcomponentstobeusedinopticalfibrecommunicationsystems.Productspecifications.TypeLX.5-PCDUPLEXterminatedonIEC60793-2-50categoryB1.1andB1.3singlemodefibre,withfullzirconiaferrulecategoryU
【原文标准名称】:光纤通信系统用光连接器和互连器件.产品规范.端接到IEC60793-2-50标准中B1.1和B1.3类单模光纤的双芯LX.5-PC型连接器(全氧化锆套管类型为U类)
【标准号】:BSEN50377-13-2-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-04-30
【实施或试行日期】:2011-04-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Categories;Communicationsystems;Datatransfer;Design;Dimensions;Duplex;Electricplugs;Electronicengineering;Electronicequipmentandcomponents;Environmentalconditions;Fasteners;Fibreoptics;Glassfibrecables;Informationtransfer;Life(durability);Marking;Mechanicalproperties;Messagehandling;Monomodefibres;Opticalproperties;Opticalwaveguides;Optoelectronics;Performanceinservice;Pinjoints;Productspecifications;Productstandards;Properties;Specification;Telecommunication;Testing;Types;Zirconium
【摘要】:1.1ProductdefinitionThisEuropeanStandardcontainstheinitial,startoflifedimensional,optical,mechanicalandenvironmentalperformancerequirementswhichaterminatedandassembledsinglemoderesilientalignmentsleeveLX.5PCconnectorset(plug/adaptor/plug)shouldmeetinorderforittobecategorisedasanENstandardproduct.Sincedifferentvariantsandgradesofperformancearepermitted,productmarkingdetailsaregivenin3.6.1.2IntermateabilityAlthoughallproductsconformingtotherequirementsofthisEuropeanStandardwillintermate,theresultinglevelofrandomattenuationperformancewillonlybeensuredinaccordancewithTable1.Theintentionisthatthiswillbetrueirrespectiveofthemanufacturingsource(s)oftheproduct.Whenintermatingplugvariantshavingdifferentattenuationgrades,theresultinglevelofattenuationcannotbeassuredtobeanybetterthantheworstattenuationgrade.TheintermatingofagradeCplugwithagradeBplugwillresultinanuncertainlevelofrandomattenuationperformance.1.3OperatingenvironmentThetestsselectedcombinedwiththeseveritiesanddurationsarerepresentativeofacategoryUenvironmentdescribedinEN61753-1.1.4ReliabilityWhilsttheanticipatedservicelifeexpectancyoftheproductinthisenvironmentis20years,compliancewiththisspecificationdoesnotguaranteethereliabilityoftheproduct.Thisshouldbepredictedusingarecognisedreliabilityassessmentprogramme.1.5QualityassuranceCompliancewiththisspecificationdoesnotguaranteethemanufacturingconsistencyoftheproduct.Thisshouldbemaintainedusingarecognisedqualityassuranceprogramme.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:44P.;A4
【正文语种】:英语


基本信息
标准名称:电子装联标准汇编 局部封装工艺细则
中标分类:
替代情况:被QJ 3258-2005代替
发布日期:1985-10-01
实施日期:1985-10-01
首发日期:
作废日期:2006-05-01
出版日期:
页数:5页
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