基本信息
标准名称: | 组合机床多轴箱制造 技术条件 |
中标分类: |
机械 >>
金属切削机床 >>
组合机床 |
替代情况: | 被JB/T 9891-99代替 |
发布日期: | |
实施日期: | 1991-01-01 |
首发日期: | |
作废日期: | |
出版日期: | |
适用范围
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前言
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目录
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引用标准
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所属分类: 机械 金属切削机床 组合机床
【英文标准名称】:Ambientairquality-StandardmethodforthemeasurementofPb,Cd,AS,andNiinthePM10fractionofsuspendedparticulatematter
【原文标准名称】:环境空气质量.测量悬浮颗粒物质PM10成分中Pb、Cd、As和Ni的标准方法
【标准号】:BSEN14902-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-09-27
【实施或试行日期】:2005-09-27
【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】:气溶胶;空气净化;空气质量;环境空气;砷;原子吸收光谱测定法;原子吸收分光光度测定法;镉;定义;测定;石墨燃烧室原子吸收光谱法;ICP;铅;质谱学;镍;标准参考测量方法;基准方法;抽样方法;悬浮尘埃;试验设备
【英文主题词】:Aerosols;Airpurification;Airquality;Ambientair;Arsenic;Atomicabsorptionspectrometry;Atomicabsorptionspectrophotometry;Cadmium;Definition;Definitions;Determination;Graphite-furnaceatomicabsorptionspectrometry;ICP;Lead;Massspectrometry;Nickel;Referencemeasuringmethods;Referencemethods;Samplingmethods;Suspendeddust;Testequipment
【摘要】:ThisEuropeanStandardspecifiesamethodforthedeterminationofparticulatelead(Pb),cadmium(Cd),arsenic(As)andnickel(Ni)inambientairthatcanbeusedintheframeworkoftheEuropeanCouncilDirectiveonAmbientAirQualityAssessmentandManagement[1]andthe1[2]and4[3]DaughterDirectives.PerformancerequirementswithwhichthemethodhastocomplyarespecifiedinthisEuropeanStandard.TheperformancecharacteristicsofthemethodweredeterminedincomparativefieldvalidationtestscarriedoutatfourEuropeanlocations(see[4]).ThisEuropeanStandardspecifiesamethodforsamplingofPb,Cd,AsandNiaspartofthePM10aerosol,microwavedigestionofthesamplesandanalysisbygraphitefurnaceatomicabsorptionspectrometryorbyinductivelycoupledplasma(quadrupole)massspectrometry.ThisEuropeanStandardisapplicableforthemeasurementofPb,Cd,AsandNiaspartofthePM10aerosolfractionintheconcentrationrangeslistedinTable1.Theactuallowerlimitsoftheworkingrangesdependuponthevariabilityofthelaboratoryfilterblank(5.3.1).ThelowerlimitsoftheworkingrangesgiveninTable1areexpectedvaluesbaseduponperformanceachievedinthefieldvalidationtests.Similarlytheupperlimitsoftheworkingrangeshavebeensetarbitrarilybaseduponthemaximumdailyvaluesmeasuredduringthefieldvalidationtests.ThemethodcanbeappliedtohigherconcentrationsprovidedthePM10collectioncharacteristicsofthesamplerarenotcompromised.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:58P.;A4
【正文语种】:英语