青岛大气气溶胶多环芳烃分析与其分布规律的.研究

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1、deviationare6．0％一25％．WiththedesignedanalyticalmethodforthedeterminationofPAHs，westudytheconcentrationsandchangesofthefourteenkindsofB～HsinaerosolinthesixfunctionzonesinQingdao．TheaverageconcentrationofthetotalslimofthethirteenPAHsis32．8ng／m3inspring，6

2、4．8n咖3inautumn，156neCm’inwinter．TheaverageconcentrationoftheBaPinaeros01inspring．autumnandwinterareasfolloWS：2．86ng／m3，5．63ng／m’，11．4ng／m’．nedistributionofPAHsinaerosolofQingdaoregionshasobviouslyseasonalcharacteristics．Theaverageconcentrationofthefcl

3、urteenkindsof础schangesinorderofWinter>autumn>winter．ItindicatesthatthePAHscomesmainlyfromthewastegaspollutantsproducedbythemineralfuelsburning．’DifferentfitnctionzonediffergreatlyintheconcentrationofPAHs．Intheindustryzone．themaxandrainconcentrationoft

4、hetotalsumofB蛆矗andBaPwere17timesand13timesinwinter．CItherfunctionzoneshavethesameconditions。nemaxconcentrationofPAHSare76timesinthetrafficzoneinspring．andtheminconcentrationofPAHsareonly2timesinthecontrolzone．Factoranalysis，correlationanalysisandSPSSs

5、tatisticssoftwareareusedtoanalyzethecontentsofPAl-IsinthesixfunctionzonesofQingdao．Fromtheresults，wecangetthefollowingconclusions：A)∑PAHs，Py，a(a)An，ChrgBbP,BaF,BaPandDB(a，h)anhavegoodcorrelation．exceptPy,thecorrelationcoefficientoftheothersevenkiridso

6、fPAHSaremorethan0．90．ItindicatesthatthesourceofPAHShave也esimilarity．B、Theabove8kindsofPAHshavegoodcorrelationwithTSP．1mismeansthatTSPisthemainfactortoaffecttheconcentrationlevelofB气HS．Itisagoodcarrierfor灿S．C)111ecorrelationbetweenPAHsandS02isweak，butt

7、hereexitscertainrelativitywithN0x．HoweveritindicatesthattheEAHSisrelatedtothepollutionsourcesproducedbymineraloilburning．Keyword：polycyclicaromatichydrocarbon；aerosol；highperformanceliquidchromatographyOHPLC)；fluorescence，Factoranalysis；correlationana

8、lysis青岛人气气溶脞多环芳烂分析及Je分布舭律的州究U日IJ吾多环芳烃(PAHs)是一类广泛分布于环境中的含两个苯环以上的有机化学污染物。由于多环芳烃的潜在毒性、致癌性及致畸诱变作用，对人类健康和生态环境具有很大的潜在危害，已引起各国环境科学家的极大重视和国际社会的共同关注。大气气溶胶中存在的多环芳烃类化合物与人类健康和生态环境具有更大、更直接影响，因此，研究大气气溶胶中多环芳烃化合物的分析方法及其分布变化规律，追踪多环芳烃化合物的来源是环境科学领域内的重要课题，具有重要学术价