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【英文标准名称】:Gasanalysis-Preparationofcalibrationgasmixturesusingdynamicvolumetricmethods-Part11:Electrochemicalgeneration(ISO6145-11:2005);EnglishversionofDINENISO6145-11:2008-11
【原文标准名称】:气体分析.动态容量法制备校准气体混合物.第11部分:电化学生成法
【标准号】:DINENISO6145-11-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-11-01
【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】:分析;校正;校准气体;化学分析和测试;化学成分;控制样品;电化学方法;电解的;气体分析;气体混合物;气体;气体容量分析;发电;检验设备;材料测试;数学计算;方法;生产;试验气体;体积的;容量分析
【英文主题词】:Analysis;Calibration;Calibrationgases;Chemicalanalysisandtesting;Chemicalcomposition;Controlsamples;Electrochemicalmethods;Electrolytic;Gasanalysis;Gasmixtures;Gases;Gas-volumetricanalysis;Generation;Inspectionequipment;Materialstesting;Mathematicalcalculations;Methods;Production;Testgases;Volumetric;Volumetricanalysis
【摘要】:ThispartofISO6145specifiesamethodforthepreparationofcalibrationgasmixturesbyusingelectrochemicalgenerationofacalibrationcomponentandintroductionintoacomplementarygasflow.Byalterationofthegasfloworthechargepassedthroughthecellelectrolyte,itispossibletochangethecompositionofthegasmixture.Therelativeexpandeduncertaintyofthecalibrationgascontent,U,obtainedbymultiplyingtherelativecombinedstandarduncertaintiesbyacoveragefactor,k=2,isnotgreaterthan5%.ThemethoddescribedinthispartofISO6145isintendedtobeappliedtothepreparationofcalibrationgasmixturesinthevolumefractionranges(0,1to250)x10-6.NOTE1Gasesthatcanbeproducedbyelectrochemicalgenerationareoxygen(O2),hydrogen(H2),hydrogencyanide(HCN),hydrogensulfide(H2S),chlorine(CI2),bromine(Br2),chlodnedioxide(CIO2),ammonia(NH3),nitricoxide(NO),nitrogen(N2),carbondioxide(CO2),phosphine(PH3),arsine(ASH3)andozone(03),NOTE2Themehtsofthemethodarethatastablecalibrationgasmixturecanbequicklypreparedwithinminutes.NOTE3Gasblendingsystemsbasedonelectrochemica[generationandthermalmassflowcontrollers,withthefacilityofcomputerizationandautomaticcontrol,arecommerciallyavailable.AnexampleisgiveninAnnexA
【中国标准分类号】:G86
【国际标准分类号】:71_040_40
【页数】:20P.;A4
【正文语种】:英语