BS 6068-2.7-1984 水质.第2部分:物理、化学和生物化学方法.第7节:铵含量测定:蒸馏和滴定法
时间:2024-05-17 08:28:54 来源: 标准资料网 作者：标准资料网 阅读：9545
【英文标准名称】:Waterquality-Physical,chemicalandbiochemicalmethods-Determinationofammonium:distillationandtitrationmethod
【原文标准名称】:水质.第2部分:物理、化学和生物化学方法.第7节:铵含量测定:蒸馏和滴定法
【标准号】:BS6068-2.7-1984
【标准状态】:现行
【国别】:英国
【发布日期】:1984-12-31
【实施或试行日期】:1984-12-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:水质试验;蒸馏分析法;氨;水资源;氨态氮;化学分析和试验;废弃物;离子交换法;铵无机化合物;干扰(化学);含量测定;质量;废水;容量分析;水;精密度;污水;抽样方法;饮用水
【英文主题词】:Ammonia;Ammonium;Determinationofcontent;Distillationmethodsofanalysis;Quality;Testing;Tests;Titration;Water;Waterpractice;Waterquality;Watertesting
【摘要】:Applicabletothedeterminationofammoniuminraw,potableandwastewaterintherange0.2mg/lto1gm/l.
【中国标准分类号】:C51;Z16
【国际标准分类号】:13_060_50
【页数】:6P;A4
【正文语种】:英语
【英文标准名称】:Executionofsteelstructuresandaluminiumstructures-Part2:Technicalrequirementsforsteelstructures;GermanversionEN1090-2:2008+A1:2011
【原文标准名称】:钢结构和铝结构施工.第2部分:钢结构的技术要求;德文版本EN1090-2-2008+A1-2011
【标准号】:DINEN1090-2-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-10
【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】:Boltedjoints;Bridges;Buildings;Coatingmethod;Coatingtechnique;Coatings;Cold-coiled;Cold-working;Components;Construction;Definitions;Design;Erecting(constructionoperation);Fasteners;Flatsteels;Geometricalproperties;Hotrolled;Joints;Loadcapacity;Manufacturing;Materialproperties;Materials;Mechanicallinkages;Profilesheet;Rivetedjoints;Screw-bolt-joints;Semi-finishedproducts;Sheetsteels;Specification(approval);Steelconstruction;Steelstructuralengineering;Steelstructures;Steels;Structuralsteelmembers;Structuralsteelwork;Structures;Surfaceprotection;Surfacetreatment;Testing;Thin-walled;Tolerances(measurement);Trusses(frames);Weldedjoints;Welding;Weldingengineering;Welds
【摘要】:
【中国标准分类号】:P26
【国际标准分类号】:91_080_10
【页数】:208P;A4
【正文语种】:德语
【英文标准名称】:Nuclearinstrumentation-Scintillationgammaraydetectorsystemsfortheassayofradionuclides-Calibrationandroutinetests
【原文标准名称】:核检测仪表.放射性核素分析用闪烁γ射线探测器系统.校准和常规试验
【标准号】:IEC61453-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesmethodsofcalibrationandroutinetestsofscintillationdetectorsystemsforthemeasurementofgamma-rayenergiesandemissionratesofradionuclidesandtheassayofradioactivity.ThisInternationalStandardisapplicabletoscintillationdetectorsystemsbasedoninorganicscintillatorsforphotonmeasurements.Typicalapplicationsincluderadionuclideidentificationandassayinvariousindustrial,environmental,andmedicalapplications.Thedetectorsystemconsistsofthreemajorcomponents:ascintillatingmaterialthatproducesphotonsoflightwhenionizingradiationinteractswithit;oneormorephotomultipliersorphotodiodes,opticallycoupledtothescintillator,whichconvertthelightphotonstoanamplifiedelectricalpulseorpulses;andassociatedelectronicinstrumentationwhichpowersthephotomultiplierandprocessestheoutputsignal.Bothenergycalibrationandefficiencycalibrationarecovered.Thefollowingthreetechniquesareconsidered:a)totalspectrumcounting(see3.1)whichemploysasystemthatcountsallpulsesabovealow-energythreshold(see5.1,5.2and5.3);b)single-channelanalyzer(SCA)counting(see3.2)whichemploysasystemwithacountingchannelestablishedthroughupperandlowerenergyboundaries(see5.1,5.2,and5.3);c)multichannelanalyzercounting(see3.3)whichemploysasysteminwhichmultiplecountingwindowsareutilized.Thistechniqueallowsmeasurementsforwhichthecontinuumunderthetotalabsorptionpeakmaybesubtractedwithoutintroducingunacceptableerror.Incaseofoverlappingpeaksinthespectrum,amultichannelanalyzer(MCA)withaccesstoapeakdeconvolutionprogramisnecessary.Thiscaseisnotcoveredbythisstandard.
【中国标准分类号】:F84
【国际标准分类号】:17_240;27_120
【页数】:40P;A4
【正文语种】: