大气持久性有机污染物（POPs）被动采样

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1、第2l卷第2／3期化学进展Vo1．2lNo．2／32009年3月PR0GRESSINCHEMISTRYMar．，2009大气持久性有机污染物(POPs)被动采样张干～刘向(中国科学院广州地球化学研究所有机地球化学国家重点实验室广州510640)摘要大气是进行全球和区域持久性有机污染物(persistentorganicpollutants，POPs)观测的良好介质。对《斯德哥尔摩公约》履约效力评估的需求，加速了大气POPs采样技术的研发与应用。大气POPs被动采样技术(passiveatmosph

2、ericsampling，PAS)在近年来得到了飞速发展，目益成为大流量大气采样的重要补充手段，并显示出其在广大区域范围内实现大气POPs同步观测的优势。本文综述了大气PAS技术的基本原理，介绍、评价了几种主要大气PAS装置，重点分析了PUF．PAS的应用技术原理，介绍了大气PAS在全球各区域和不同研究领域的应用研究进展，分析了大气PAS研究领域的动态，提出了今后大气PAS研究中值得关注的研究内容和趋向。关键词持久性有机污染物(POPs)被动采样技术应用技术原理区域同步观测中图分类号：X132；X

3、51文献标识码：A文章编号：1005．281X(2009)02／3．0297．10PassiveAtmosphericSamplingofPersistentOrganicPollutants(POPs)ZhangGan—Liu肌g(StateKeyLaboratoryofOrganicGeochemistry，GuangzhouInstituteofGeochemistry，ChineseAcademyofSciences，Guangzhou510640，China)AbstractAtmosp

4、hereisregardedtobeanefectiveenvironmentalmediaforglobalmonitoringofpersistentorganicpollutants(POPs)atglobal／regionalscale．ThecriticalneedfortheefectivenessassessmentoftheregionalimplementationofStockholmConventionhasbeenfacilitatingtheinnovativedevel

5、opmentofatmosphericPOPssamplingtechnology．Greatprogresshasbeenmadeinthedevelopmentandapplicationofpassiveatmosphericsampling(PAS)technologyinthelastdecade．AndPASisbecomingmoreandmoreallefectivecomplementarysamplingtechniquefortheconventionalhi—volumea

6、tmosphericsampler．withitsextraordinaryadvantageinsynchronicmonitoringofPOPsintheatmosphereacrossvastterritories．Inthispaper，wereviewandassessmostofthereportedPAStechniques，withparticularemphasisontheapplicationtheoryandtechnicalconsiderationsofthecurr

7、entlymostpopularpolyurethanePAS．WethenintroducetheapplicationsofPAStechnologyinmonitoringPOPsatglobal／regionalSCaleSindiferentpartsofthewodd，aswellastheiruseindifferentresearchareassuchashumanexposureassessmentandenvironmentalprocessstudiesofPOPs．Weal

8、soanalyzethepublicationtmndofPAS—relatedscientificpapersduringthelastdecade，asaconclusion，identifyseveralimportantresearchtopicsandorientationsrelatedtofurtherdevelopmentandapplicationofPAStechnology．Keywordspersistentorganicpollutants(POPs)；p