【英文标准名称】:StandardTestMethodforDeterminationofNon-MethaneOrganicCompounds(NMOC)inAmbientAirUsingCryogenicPreconcentrationandDirectFlameIonizationDetectionMethod(Metric)
【原文标准名称】:利用低温预浓缩和直接火焰检测法测定周围空气中非甲烷有机化合物(NMOC)的标准测试方法(米制的)
【标准号】:ASTMD5953M-1996(2001)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:周围大气的分析法;直接用火焰电离电检法;罐中取样;低温取样;火焰电离电检器;甲烷有机化合物(MOC);周围空气;预先污染;大气分析法;室内空气分析;试验;米制;取样
【英文主题词】:ambientatmospheres;analysis;atmospheres;canistersampling;cryogenicsampling;flameionizationdetection;indooratmospheres;non-methanehydrocarbons;sampling;workplaceatmospheres
【摘要】:1.1Thistestmethodcoversaprocedureforsamplinganddeterminingconcentrationsofnon-methaneorganiccompounds(NMOC)inambient,indoor,orworkplaceatmospheres.1.2Thetestmethoddescribesthecollectionofcumulativesamplesinpassivatedstainlesssteelcanistersandsubsequentlaboratoryanalysis.1.2.1Thistestmethoddescribesaprocedureforsamplingincanistersatfinalpressuresaboveatmosphericpressure(referredtoaspressurizedsampling).1.3ThistestmethodemploysacryogenictrappingprocedureforconcentrationoftheNMOCpriortoanalysis.1.4ThistestmethoddescribesthedeterminationoftheNMOCbythesimpleflameionizationdetector(FID),withoutthegaschromatographiccolumnsandcomplexproceduresnecessaryforspeciesseparation.1.5Therangeofthistestmethodisfrom20to10000ppbC(1,2).See13.4forproceduresforloweringtherange.1.6Thetestmethodmayyieldlessaccurateresultsforsomehalogenatedoroxygenatedhydrocarbonsemittedfromnearbysourcesofindustrialairpollutants.Thisisespeciallytrueiftherearehighconcentrationsofchlorocarbonsorchlorofluorocarbonspresent.1.7ThevaluesstatedinSIunitsareregardedasthestandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_01;71_040_50
【页数】:13P.;A4
【正文语种】: