BS EN 13528-2-2002 环境空气质量.测定气体和蒸汽浓缩度的扩散样品.要求和试验方法.特殊要求和试验方法

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【英文标准名称】:Ambientairquality-Diffusivesamplersforthedeterminationofconcentrationsofgasesandvapours-Requirementsandtestmethods-Specificrequirementsandtestmethods
【原文标准名称】:环境空气质量.测定气体和蒸汽浓缩度的扩散样品.要求和试验方法.特殊要求和试验方法
【标准号】:BSEN13528-2-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-10-11
【实施或试行日期】:2002-10-11
【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】:空气质量;浓缩;测试方法;空气;蒸气;测量技术;环境空气;试验气体;测量仪器;储存;空气净化;空气污染;空气污染;数学计算;质量浓度;作标记;测量;气体浓缩度;标志;气体;规范(验收);定义;污染控制;污染控制;运输;测试;解释
【英文主题词】:Air;Airpollution;Airpurification;Airquality;Ambientair;Concentration;Definition;Definitions;Gasconcentrations;Gases;Interpretations;Marking;Massconcentration;Mathematicalcalculations;Measurement;Measuringinstruments;Measuringtechniques;Passivecollectors;Pollutioncontrol;Pollutionoftheair;Specification(approval);Storage;Testgases;Testmethods;Testing;Transport;Vapours
【摘要】:ThisEuropeanStandardspecifiesspecificperformancerequirementsandtestmethodsunderprescribedlaboratoryandfieldconditionsfordiffusivesamplersusedforthedeterminationoftheconcentrationofgasesorvapoursinambientair.Suchrequirementsapplytoalldiffusivesamplers,irrespectiveofthephysicalnatureoftherate-controllingprocessandirrespectiveofthenatureofthesorptionprocessandtheanalyticaldetermination.Thisstandardappliestoallstagesofthemeasuringprocedure,includingtransportationandstorageofthesamplewhereappropriate.Thisstandardappliestomeasuringprocedureswithseparatesamplingandanalysisstages,andalsotodirectreadingdevices.ThisEuropeanStandardisapplicabletodiffusivesamplersaccordingto3.6ofEN13528-1:2002.ThisEuropeanStandardshouldenablemanufacturersandusersofdiffusivesamplerstoadoptaconsistentapproachtosamplervalidationandprovideaframeworkfortheassessmentofsamplerperformanceagainstcriteriaspecifiedinEN13528-1.ItistheresponsibilityofthemanufacturerorofthosewhoassemblethediffusivesamplerstoensurethatthesamplercomplieswiththedataqualityobjectivesgiveninthisEuropeanStandard.ForthepurposeofdemonstratingcompliancewithdataqualityobjectivesprescribedformethodstobeusedinsupportoftheCouncilDirectiveonAmbientAirQualityAssessmentandManagement,thispartofEN13528providestherelevantrequirementsandtestmethodsforthedeterminationofmeasurementuncertainty.Asindicatedin6.5.2to6.5.4,someoftheseproceduresaretobeundertakenbyasinglerepresentativelaboratory,somebyseverallaboratoriesinaninterlaboratorytrial,andsomebythelaboratoryimplementingthemethod.ThisdivisionofresponsibilityisinaccordancewithTable1ofCENReportCR14377:2002[3].Whereonlyonelaboratoryisinvolvedinestablishingtheperformancecharacteristicsofamethod,asinamanufacturer’sassessment,thereproducibilityelementsoftheuncertaintybudgetshallbeestimatedunderwithinlaboratoryreproducibilityconditions,i.e.byperformingtherelevantexperimentsindependently,asfarasreasonablypracticable.Thistypeofassessmentisidentifiedaslevel2(seeclause8).Thisstandardcanencouragethedevelopmentofnewtypesofdiffusivesampler.Priortoconductingafullevaluationaccordingtothisstandard,itwouldbeusefultoconductlaboratoryorfieldintercomparisonswithestablishedsamplers.Theseintercomparisonsshouldbeconductedbyexperiencedinstitutes.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:30P.;A4
【正文语种】:英语


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【英文标准名称】:SpecificationforHot-FormedWeldedandSeamlessCarbonSteelStructuralTubing
【原文标准名称】:热成型焊接与无缝碳素钢结构钢管道规范
【标准号】:ANSI/ASTMA501-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【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】:钢;结构钢;管
【英文主题词】:steels;structuralsteels;pipes
【摘要】:
【中国标准分类号】:H48
【国际标准分类号】:23_040_40;23_040_10
【页数】:
【正文语种】:英语