BS ISO 14965-2000 环境空气.全部无甲烷有机化合物的测定.低温预浓缩和直接火焰电离探测法

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【英文标准名称】:Ambientair.Determinationoftotalnon-methaneorganiccompounds.Cryogenicpreconcentrationanddirectflameionizationdetectionmethod
【原文标准名称】:环境空气.全部无甲烷有机化合物的测定.低温预浓缩和直接火焰电离探测法
【标准号】:BSISO14965-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-05-15
【实施或试行日期】:2000-05-15
【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;空气污染;空气质量;环境空气;物质的量;文献索引;化学分析和试验;浓缩;浓度(化学);低温学的;低温学;含量测定;肥沃;火焰电离;火焰光度测定法;气体分析;工业空气污染物;电离;低温;有机化学;有机化合物;污染物气体;污染;定量分析;报告;采样设备;试验设备;试样
【英文主题词】:Air;Airpollution;Airquality;Ambientair;Amountsofsubstance;Bibliography;Chemicalanalysisandtesting;Concentration;Concentration(chemical);Cryogenic;Cryogenics;Determinationofcontent;Enrichment;Flameionization;Flamephotometry;Gasanalysis;Industrialairpollutants;Ionization;Lowtemperatures;Organicchemistry;Organiccompounds;Pollutantgases;Pollution;Quantitativeanalysis;Reports;Samplingequipment;Testequipment;Testspecimens
【摘要】:ThisInternationalStandarddescribesaprocedureforsamplinganddeterminingconcentrationsoftotalnon-methanevolatileorganiccompounds(NMVOC)intheambientatmosphere.ThisInternationalStandarddescribesthecollectionofcumulativesamplesinpassivatedstainlesssteelcanistersandsubsequentlaboratoryanalysis.Itdescribesaprocedureforsamplingincanistersatfinalpressuresaboveatmosphericpressure(referredtoaspressurizedsampling).ItemploysacryogenictrappingprocedureforconcentrationoftheNMVOCpriortoanalysis.ThisInternationalStandarddescribesthedeterminationoftheNMVOCbysimpleflameionizationdetection(FID),withoutthegaschromatographiccolumnsandcomplexproceduresnecessaryforspeciesseparation.ThisInternationalStandardisapplicabletocarbonconcentrationsintherangefrom20ppbCto10000ppbC.See12.4forproceduresforloweringtherange.SeveralvariationstothemethoddescribedinthisInternationalStandardarealsopossible;seeclause12.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:30P.;A4
【正文语种】:英语