资源描述：
《Distribution of polybrominated diphenyl ethers in the surface sediments of the Taihu Lake， China.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、Chemosphere88(2012)1375–1382ContentslistsavailableatSciVerseScienceDirectChemospherejournalhomepage:www.elsevier.com/locate/chemosphereDistributionofpolybrominateddiphenylethersinthesurfacesedimentsoftheTaihuLake,Chinaa,ba,b,⇑aa,baaa,bPengZhou,KuangfeiLin
2、,XiaoyuZhou,WeiZhang,KaiHuang,LiliLiu,JieGuo,aFengXuaStateEnvironmentalProtectionKeyLaboratoryofEnvironmentalRiskAssessmentandControlonChemicalProcess,EastChinaUniversityofScienceandTechnology,Shanghai200237,ChinabShanghaiKeyLaboratoryofFunctionalMaterial
3、sChemistry,EastChinaUniversityofScienceandTechnology,Shanghai200237,Chinahighlights"WeexaminedPBDEconcentrationsin28sedimentsfromTaihuLake,China."ElevatedPBDElevelswerefoundinTaihuLake."PBDEcompositioninsedimentsampleswaspredominatedbyBDE-209."Themassinve
4、ntoryinsedimentwereestimatedtobe30000kgforallthePBDEs.articleinfoabstractArticlehistory:Twenty-eightsedimentsampleswerecollectedfromtheTaihuLakeandanalyzedtoacquireinformationReceived23November2011aboutthelevels,distribution,possiblesources,timetrendandin
5、ventoryofpolybrominateddiphenylReceivedinrevisedform25April2012ethers(PBDEs)intheTaihuLake.OurresultsshowedthatthemostabundantBDEcongenersinsurfaceAccepted19May20121sedimentswereBDE-47,99and209,withamedianvalueof0.124,0.279,and22.72ng(gdw),respec-Availab
6、leonline21June2012tively.ThelevelsofBDE-209inoursamplesweremuchhigherrelativetothoseoftheotherBDEcong-enersandmadeupmorethan80%ofthePBDEslevelsinalmostallsamples.DisregardingBDE-209,Keywords:amongthesevenPBDEs(BDE-28,47,99,100,153,154,183)moreconcerned,th
7、emostabundantonesPBDEswereBDE-47and99,whichcontributed44.65%(rangedfrom29.02%to73.11%),24.24%(rangedfromSurfacesedimentPDistribution2.27%to39.66%)to7PBDEs,respectively.ThecorrelationbetweenPBDEandTOCwaspoor,indicatingTaihuLakethatPBDEsconcentrationsinsedi
8、mentsoftheTaihuLakewerecontrollednotonlybyTOCcontents,butInventoryalsobyacombinedeffectoftransport,mixing,depositionalmechanismsassociatedwithPBDEs,uncon-taminatedsediments,orfreshinputofPBDEs.Asexpected,thetimetren
