BS ISO 20552-2007 工作场所空气.汞蒸气的测定.金汞合金收集的方法和使用原子吸收光谱法或原子荧光光谱法的分析法

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【英文标准名称】:Workplaceair-Determinationofmercuryvapour-Methodusinggold-amalgamcollectionandanalysisbyatomicabsorptionspectrometryoratomicfluorescencespectrometry
【原文标准名称】:工作场所空气.汞蒸气的测定.金汞合金收集的方法和使用原子吸收光谱法或原子荧光光谱法的分析法
【标准号】:BSISO20552-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-03-30
【实施或试行日期】:2007-03-30
【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】:空气质量;大气污染物;原子吸收光谱法;原子吸收分光光度测定法;原子荧光分光光度测定法;化学分析和试验;定义;含量测定;气体分析;损害健康;质量浓度;汞;汞化合物;汞无机化合物;汞蒸气;工作地点浓度;工作场所
【英文主题词】:Airquality;Atmosphericpollutants;Atomicabsorptionspectrometry;Atomicabsorptionspectrophotometry;Atomicfluorescencespectrophotometry;Chemicalanalysisandtesting;Definitions;Determinationofcontent;Gasanalysis;Injurytohealth;Massconcentration;Mercury;Mercurycompounds;Mercuryinorganiccompounds;Mercuryvapour;Workingplaceconcentration;Workingplaces
【摘要】:ISO20552:2007specifiesaprocedurefordeterminationofthemassconcentrationofmercuryvapourinworkplaceairusingamethodofgold-amalgamcollectionwithanalysisbyeithercoldvapouratomicabsorptionspectrometry(CVAAS)orcoldvapouratomicfluorescencespectrometry(CVAFS).Theprocedurespecifiesanumberofsamplingmethodsfordifferentapplications.Theprocedureissuitableformakingshort-termmeasurements(e.g.15min)whensamplingataflowrateofbetween100mlperminand1000mlpermin.Forassessmentoflong-termexposure,suchas8h,thisprocedurecanbeusedwithsamplingflowrateof100mlpermininworkplaceswheretheconcentrationofmercuryvapourisexpectedtobelowerthan20microgramspercubicmetre.Iftheexpectedconcentrationofmercuryvapourishigherthan20microgramspercubicmetre,itisnecessarytousetheprocedureprescribedinISO17733.ISO20552:2007isunsuitableformakingmeasurementsofmercuryvapourinairwhenchlorineispresentintheatmosphere,e.g.inchloralkaliworks.Gaseousorgano-mercurycompoundscancauseapositiveinterference.
【中国标准分类号】:C70
【国际标准分类号】:13_040_30
【页数】:34P;A4
【正文语种】:英语