ISO 11564-1998 固定源排放氮氧化物质量浓度的测定萘乙二胺分光光度法

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【英文标准名称】:Stationarysourceemissions-Determinationofthemassconcentrationofnitrogenoxides-Naphthylethylenediaminephotometricmethod
【原文标准名称】:固定源排放氮氧化物质量浓度的测定萘乙二胺分光光度法
【标准号】:ISO11564-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-04
【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/TC146
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;空气;辐射;氮氧化合物;质量(物质);质量;测量系统;气体分析;性能试验
【英文主题词】:Air;Determinationofcontent;Emissions;Gasanalysis;Mass;Measuringsystems;Nitrogenoxides;Performancetests;Quality
【摘要】:ThisInternationalStandardspecifiesaphotometricmethodforthedeterminationofthemassconcentrationofnitrogenoxidesinexhaustgasesfromductsorchimneys.NOTE—Nitrogenoxides(NOx)arepracticallydefinedasthesumofNOandNO2.ThemassconcentrationofNOxisexpressedastheequivalentNO2concentrationinmilligramspercubicmetre.Themethodisapplicabletothedeterminationofthemassconcentrationofnitrogenoxidesinexhaustgasesfromcombustionprocesses,processesforsurfacetreatmentofmetalsandfromorganicchemicalreactions,ifnecessaryafterremovalbywashing,in-furnacereductionand/orcatalyticdenitration,priortotheirdispersionintotheatmosphere.ThisInternationalStandardisapplicabletotheconcentrationrange5mg/mto1000mg/masNO2forasamplegasvolumeof1000ml.Forgasconcentrationsgreaterthan1000mg/m,thedeterminationofsamplegasconcentrationsupto5000mg/mcanbeperformedbydilutingthesamplesolutionorbytakinganaliquotofthesamplesolution.ThisInternationalStandardisnotapplicabletothedeterminationofdinitrogenmonoxide(N2O).
【中国标准分类号】:Z15
【国际标准分类号】:13_040_40
【页数】:16P.;A4
【正文语种】:英语