深圳大鹏湾和大亚湾近岸海水及潮间带动物的有机锡污染

热带海洋学报JOURNALOFTROPICALOCEANOGRAPHY2010年第29卷第4期：112−117://修订日期2008-08-06基金项目(2004-44)作者简介(1971),,,,,海洋生物学邓利1,陈大玮1,黎韵1,罗学峰1,丘红梅2(1.,518060;2.,518020):,(TBT)(DBT)21.1325.0310.2218.68ng·L−1;TBTDBTnd()7.63nd8.56ng·L−1,(MDT)(OstrearivularisGouldOstreaglomerataGouldMonodontalabio)TBTDBTMDT(TPT)3.0226.48nd2.65nd1.5713.10164.08ng·L−1();TBTDBTMDTTPTnd17.67nd1.50ndnd17.66ng·L−1(),,,:;;;;中图分类号:X131文献标识码:A文章编号:1009-5470(2010)04-0112-06OrganotincontaminationinseawaterandmarineanimalsalongintertidalzoneatDapengBayandDayaBayofShenzhen,ChinaDENGLi1,CHENDa-wei1,LIYun1,LUOXue-feng1,QIUHong-mei2(1.CollegeofLifeScience,ShenzhenUniversity,Shenzhen518060,China;2.ShenzhenCenterforDiseaseControlandPrevention,Shenzhen518020,China)Abstract:TheauthorsinvestigateorganotincontaminationinseawaterandmarineanimalsalongtheintertidalzoneattheDapengBayandDayaBayofShenzhen.Theconcentrationsoftributyltin(TBT)anddibutyltin(DBT)inseawateroftheDapengBaywere21.13−25.03ng·L−1and10.22−18.68ng·L−1,respectively.TheconcentrationsofTBTandDBTinseawateroftheDayaBaywerend(lowerthanthedetectablelevel)−7.63ng·L−1andnd−8.56ng·L−1,respectively.Monobutyltin(MBT)wasnotdetectedinanyoftheseawatersamples.TheconcentrationsofTBT,DBT,MBTandtriphenyltin(TPT)inmollusks,includingOstrearivularisGould,OstreaglomerataGouldandMonodontalabio,fromtheintertidalzoneintheDapengBaywere3.02−26.48,nd−2.65,nd−1.57and13.10−164.08ng·g−1(wetweight),respectively.TheconcentrationsofTBT,DBT,MBTandTPTinmollusksfromtheintertidalzoneintheDayaBaywerend−17.67,nd−1.50,ndandnd−17.66ng·g−1(wetweight),respectively.Comparingthepresentresultswithreporteddataworldwide,itisshownthatthecoastalwaterintheDayaBaywasjustslightlycontaminatedbytheorganotincompounds.However,moreattentionshouldbegiventotheprob-lemoforganotincontaminationintheDapengBay.Accordingly,legislativerestrictionisneededontheapplicationoforgano-tincompoundsinChina.Keywords:organotin;intertidalzone;DapengBay,DayaBay,Shenzhen,(tributyltin,TBT)(triphenyltin,TPT),,TBTTPT:113[1]TBT12ng·L−1,(imposex),300ng·L−1,[1−2],,[3−5][6],,,[3,7−8],,,TBT[9],[8],,11.1FinniganGC2000(Thermo),(flamephotometricdetector,FPD)30m×0.32mm(ID)HP-1(tributyltinchloride,TBT)(dibutyltinchloride,DBT)(monobutyltinchloride,MBT)(triphenyltinchloride,TPT)(tri-propyltinchloride,TprT)(tetrabutyltintech,TeBT)AcrosOrganics(),TprT,TeBTGC-FPD(sodiumtetraethylbo-rate,STEB)(tropolone)(Florisil)Aldrich()1.21.2.1样品采集2007355(1),3,1L,350m(3mol·L−1)3mL,4,200710200812,,OstrearivularisGouldOstreaglomerataGouldMonodontalabio,,,,,,−2011.;2.;3.;4.;5.;☆Fig.1Mapofsamplingstations1.2.2样品处理STEB-,FlorisilGC-FPD(:STEB4KOH1%,)10,55,0.1g,,Tang[10]3,GC-FPD21mg·mL−1,114Vol.29,No.4/Jul.,2010−20,GC-FPD,,GC-FPD1.2.3样品分析610nmGC-FPD,3μL:280,;,260kPa;90105cm3·min−1;250;,100,2min,35·min−1,2808min1TPT,TPT表1有机锡各组分的标准曲线、检测限Tab.1Linearregressionequationsandlimitofdetec-tionoforganotincompoundsr2*TBTy=5.71×10−5x−4.170.99251.7DBTy=5.37×10−5x−5.650.99482.0MBTy=5.19×10−5x−6.630.99033.3TprTy=1.16×10−4x−12.390.99532.0MBTy=2.19×10−4x−16.690.99072.7DBTy=1.45×10−4x+2.250.99242.0TBTy=9.29×10−4x−4.890.99031.0TPTy=3.38×10−4x−0.500.99121.0TprTy=1.71×10−4x+6.680.99731.0*ng·L−1,ng·g−122.1TprT83%103%2,TBTDBT,21.1325.03ng·L−110.2218.68ng·L−1,,TBT(7.63ng·L−1)DBT(8.56ng·L−1),2,TBT[8],[3],[11]3表2海水样品有机锡的GC-FPD定量测定结果Tab.2OrganotincompoundsinseawatermeasuredwithGC-FPDMBT/(ng·L−1)DBT/(ng·L−1)TBT/(ng·L−1)nd18.68±2.3525.03±3.12nd10.22±1.3821.13±2.66nd8.56±2.377.63±1.99ndndndndndnd:nd2.2TprT95%108%,TprT,200%,TprT3表3生物样品有机锡的GC-FPD定量测定结果(ng·g−1湿重)Tab.3OrganotincompoundsinorganismsmeasuredwithGC-FPD(ng·g−1wetweight)MBTDBTTBTTPTOstrearivularisndnd8.311.2826.222.80Monodontalabio1.570.792.080.345.230.18164.0849.90nd2.150.4226.486.37118.8228.71nd2.650.343.020.0713.101.65nd1.370.2117.672.43ndnd1.500.142.110.0717.660.48ndndndndndndndndndndndndndndndnd:nd:115TBTDBTMBTTPT,TPTTBTDBTTBTDBTMDTTPT3.0226.48nd2.65nd1.5713.10164.08ng·g−1();TBTDBTMDTTPTnd17.67nd1.50ndnd17.66ng·g−1(),,TPT,TPT,,,[12],(4),TBTTPT,,,TBT(10ng·L−1)2,(1ng·L−1)20[22][11]3TBTnd9.8ng·L−1,,[23]3Thaisclavigera;Axiaka[24]HexaplextrunculusTBT1ng·g−1TBT,2.3,20071000[25],,,,,,,,200m,,3,,,,,,,()表4世界各地牡蛎TBT及TPT含量比较Tab.4Concentrationsofbutyltinsandtriphenyltincompoundsinoysterworldwide/(ng·g-1)TBTTPTCrassostreavirginicaCoastalestuaries,USA,19885660na[13]GulfofMexico,USA1989–199151450na[14]SaccostreacommercialisHawkesburyRiverEstuary,Australia,1991nd1700na[15]SaccostreacucullataWestcoastofIndia,2004124732*na[16]CrassostreagigasCoastalestuaries,UK,1986–1989806350na[17]Taiwan,20023417na[18]ChinhaeBay,Korea199595885155678[19]SouthandWestCoast,Korea,1995–199816237031820[20](),200471396na[21]Ostrearivularis,200882626118Ostreaglomerata,2008nd17nd:na;nd;*116Vol.29,No.4/Jul.,20102.4,198225m,3%,[6,22](PersistentOrganicPollutants,POPs),POPs[26],POPs,,TBT[27−28],2001105(InternationalConventionontheControlofHarmfulAnti-foulingSystemsonShips,AFS)[28],200811[29]AFS,,,[3,8,11],[23],AFS,,,31),,2),,[1]HOCHM.Organotincompoundsintheenvironment:Anoverview[J]