【英文标准名称】:Workplaceairquality-Samplingandanalysisofvolatileorganiccompoundsbysolventdesorption/gaschromatography-Part1:Pumpedsamplingmethod
【原文标准名称】:工作场所空气质量采用溶剂解吸作用/气相色谱法对挥发性有机化合物取样和分析第1部分：泵激取样法
【标准号】:ISO16200-1-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-08
【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】:工作场所安全;气体分析;扩散样品;工作地点;空气;含量测定;取样;空气质量;气相色谱法;解吸;技术数据单;空气污染;化学分析和试验
【英文主题词】:Air;Airpollution;Airquality;Chemicalanalysisandtesting;Desorption;Determinationofcontent;Diffusivesamplers;Gasanalysis;Gaschromatography;Sampling;Technicaldatasheets;Workingplaces;Workplacesafety
【摘要】:ThispartofISO16200givesgeneralguidanceforthesamplingandanalysisofvolatileorganiccompounds(VOCs)inairbysolventdesorption/gaschromatographyusingpumpedsampling.ThispartofISO16200isapplicabletoawiderangeofVOCs,includinghydrocarbons,halogenatedhydrocarbons,esters,glycolethers,ketonesandalcohols.AnumberofsorbentsarerecommendedforthesamplingoftheseVOCs,eachsorbenthavingadifferentrangeofapplicability.However,activatedcoconutshellcharcoalisfrequentlyused.Verypolarcompoundsmayrequirederivatization;verylowboilingcompoundswillonlybepartiallyretainedbythesorbentsandcanonlybeestimatedqualitatively.Semi-volatilecompoundswillbefullyretainedbythesorbents,butmayonlybepartiallyrecovered.Theupperlimitoftheusefulrangeissetbythesorptivecapacityofthesorbentusedandbythelineardynamicrangeofthegaschromatographcolumnanddetectororbythesample-splittingcapabilityoftheanalyticalinstrumentationused.Thelowerlimitoftheusefulrangedependsonthenoiselevelofthedetectorandonblanklevelsofanalyteand/orinterferingartefactsonthesorbenttubesorinthedesorptionsolvent.Artefactsaretypicallysubnanogramforactivatedcharcoal,buthigherlevelsofaromatichydrocarbonshavebeennotedinsomebatches.TheconcentrationrangeforwhichthispartofISO16200isvalidforthemeasurementofairbornevapoursofVOCsisdependentonthevolumesampled.Forexample,fora10-litresampleofair,therangeisapproximately1mg/mto1000mg/mindividualorganiccompound.Fora1-litresampleofair,therangeisapproximately10mg/mto10000mg/mindividualorganiccompound,andprorata.
【中国标准分类号】:C70
【国际标准分类号】:13_040_30
【页数】:27P.;A4
【正文语种】:英语