ASTM D1608-1998(2003) 气态燃烧产物中氮的氧化物的测试方法(苯酚二磺酸法)

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【英文标准名称】:StandardTestMethodforOxidesofNitrogeninGaseousCombustionProducts(Phenol-DisulfonicAcidProcedures)
【原文标准名称】:气态燃烧产物中氮的氧化物的测试方法(苯酚二磺酸法)
【标准号】:ASTMD1608-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D22.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:空气;氮氧化合物;燃烧;试验;排气;职业安全;保健;分析
【英文主题词】:combustionsources;emissions;EPAMethod7;Method7;oxidesofnitrogen;phenol-disulfonicacidprocedure;stackemissions;totaloxidesofnitrogen
【摘要】:Thistestmethodprovidesameanstomeasurethetotalnitrogenoxides(NOx)contentofgaseousemissionsforpurposessuchasdeterminingcompliancewithregulations,studyingtheeffectofvariousabatementproceduresonNOxemissions,andcheckingthevalidityofinstrumentalmeasurements.1.1Thistestmethoddescribesthephenol-disulfonicacidcolorimetricprocedure(1)2forthedeterminationoftotaloxidesofnitrogen[nitrousoxide(N2O)excepted]ingaseouseffluentsfromcombustionandothernitrogenoxidationprocesses.1.2Itisapplicabletoaconcentrationrangeofoxidesofnitrogenasnitrogendioxide(NO2)of5ppmtoseveralthousandpartspermillionbyvolume(fourtoseveralthousandmilligramsperdrystandardcubicmetre).1.3Sincethegrabsamplingtechniqueusedtakesarelativelysmallsampleoveraveryshortperiodoftime,theresultobtainedwillbeaninstantaneousmeasureofthenitrogenoxidesand,therefore,willberepresentativeoftheemissionsonlyifthegasstreamiswellmixedandtheconcentrationconstantwithtime.Multiplesamplesarerecommended.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.TheSIequivalentsareinparenthesesandmaybeapproximate.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Formorespecificsafetyprecautionaryinformationsee8.5andSection3.)
【中国标准分类号】:Z25
【国际标准分类号】:71_040_40
【页数】:5P.;A4
【正文语种】: