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ISO 6144-2003 气体分析.标定用混合气体的制备.静态容量法

作者:标准资料网 时间:2024-05-17 02:08:00  浏览:9255   来源:标准资料网
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【英文标准名称】:Gasanalysis-Preparationofcalibrationgasmixtures-Staticvolumetricmethod
【原文标准名称】:气体分析.标定用混合气体的制备.静态容量法
【标准号】:ISO6144-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-02
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC158
【标准类型】:()
【标准水平】:()
【中文主题词】:标定气体;生产;检验设备;气体;混合气体;静态的;试验气体;容量分析;气体分析;校正;容量的
【英文主题词】:Analysis;Calibration;Calibrationgases;Chemicalanalysisandtesting;Controlsamples;Gasanalysis;Gasmixtures;Gases;Inspectionequipment;Materialstesting;Mathematicalcalculations;Measurement;Methods;Production;Static;Testgases;Volume;Volumetric;Volumetricanalysis
【摘要】:ThisInternationalStandardspecifiesamethodforthepreparationofcalibrationgasmixturesbyastaticvolumetricmethodandprovidesaprocedureforcalculatingthevolumetriccompositionofthemixture,ftcanbeusedeitherwithbinarygasmixtures(containingonecalibrationcomponentinacomplementarygas,whichisusuallynitrogenorair)orwithmixturescontainingmorethanonecomponentinthecomplementarygas.ThisInternationalStandardalsospecifieshowtheexpandeduncertaintyinthevolumefractionOfeachcalibrationcomponentinthemixtureisdeterminedbyarigorousevaluationofallthemeasurementuncertaintiesinvolved,includingthoseassociatedwiththeapparatususedforthepreparationofthegasmixtureandthoseassociatedwiththeexperimentalprocedureitself.NOTE1ThisInternationalStandardisgenerallyapplicabletothepreparationofcalibrationgasmixturescontainingcalibrationcomponentsintheconcentrationrange10×10(10ppb—partsperbillion)to50×10(50ppm—partspermillion)byvolume.However,gasmixturesmaybepreparedatlargerorsmallervolumefractions,providedthatthecomponentsusedinthestaticdilutionprocessareselectedappropriately.NOTE2Arelativeexpandeduncertaintyofnotgreaterthan±1%atalevelofconfidenceof95%maybeachievableattheseconcentrations,providedthat:—thepuritiesoftheparentgaseshavebeendeterminedbyanalysisandanysignificantimpuritiesandtheuncertaintiesintheirmeasuredconcentrationshavebeentakenintoaccount;—nosignificantadsorptioneffectsorchemicalreactionsoccurbetweenthegaseousconstituentsandtheinternalsurfacesoftheapparatus,andtherearenoreactionsbetweenanyofthegaseouscomponents,i.e.betweenthecalibrationcomponentandcomplementarygasorbetweenthecalibrationcomponentsthemselves;—alltherelevantapparatususedinthepreparationofacalibrationgasmixturehavebeencalibratedwithassignedmeasurementuncertaintieswhichareappropriatetocalculatingthefinalexpandeduncertaintyforthecalibrationgasmixtureprepared.
【中国标准分类号】:G85
【国际标准分类号】:71_040_40
【页数】:29P;A4
【正文语种】:英语


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Product Code:SAE AIR4281
Title:Oil Systems for Helicopter Powerplants
Issuing Committee:S-12 Helicopter Powerplant Committee
Scope:Turbine engines installed in helicopters require a highly sophisticated oil system to fulfill two tasks: a. Cooling/oil supply b. Lubrication.【英文标准名称】:CompressedNaturalGas(CNG)VehicularFuelSystems
【原文标准名称】:压缩天然气车辆燃料系统
【标准号】:ANSI/NFPA52-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:安全要求;安全工程;运载工具油箱;燃烧气体
【英文主题词】:safetyengineering;vehiclefueltanks;burninggases;safetyrequirements
【摘要】:
【中国标准分类号】:T10
【国际标准分类号】:43_060_40;13_300
【页数】:
【正文语种】:英语



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