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” BOKHOAHOCVACONGNGHE VIENNANGL LfO NGNGUYENTLfVIETNAM BAO CAOTONGKET DETAI KHOA HOCC O N G NGHECAPB O NAM2 0 - 0 NGHIENCLtU DANHGIAMLfCDONHIEMBANNLf CNGAMHANOIDOARSENVA CACK I M LOAINANGGAY R A (Masfi:BO/04/03-10) Coquanchittr i : Vi(nC o n g ngh(X a Hiém Chitn h i ( m d étai:T S NCVC.NguyénT h J KimDung HANOI, TH ANG NAM2006 DANHS A C H NH GNGUJITHAMGIATHUCHIENDETAI NguyénThiKimDung TS,NCVC TrungtdmPharrtfchVi(nC fingnghéXaHie‘rii ChuVanVinh TS,NCVC TrungtttmPh8ntichVi(nCf ingnghe’XaHiém CN,NCV PhamNgocKhfii CN,NCV TrkDircHien CN,KSCT LuongAnhDiing S,NCV KTV Trung tdmPhdntichVienCong ng h ( Xa Hiém TrungthinPharrtichVi(n Cfingnghe‘XaHiém Trungt6mPharrtich ViénCongnghe’XaHiém Trung tain PhdntichVie’nCfingn g h ( X a Hiém TrungtainPharrtichVi(nC f i n g n g h é X a Hie‘in HuynhVan Trung PGSTS,NCVCC VienCfingngh(XaHiém CACCOQUAN,DONV[PHOIHOPTHUCHIENDETAI CfingtyKinhdoanh ’cssaacchhHaNfii(so44Du©ngYénphu,BaDinh,HaNfii) MUCLUC Mcrd6u 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III.4 III.5 IV IV.1 IV.2 IV.3 IV.4 IV.5 IV.6 IV.7 IV.8 IV.9 IV.10 Tinhhinhdieutravearsentrongnuocng;im 25 MinhhinhnghienemuvéarsentrongnuocngfimHaNfii 29 Minhhinhi5nhie’marsentrongnuoc ngtimtrénphamvitoénqu0c 32 Tinhhinhfinhie‘marsentrongc:ienguonnuocoHaNfii 32 HientrangC›nhiémtrongc:icténgchiianuoccuakhuvucHaNoi 35 Cécphu:engghapd[nhIn:engarsenvécéckimfearuangtrongnirécngém Phuongph:ipphsntfcharsentaihientruéng Phuongph:iptracquang Phuongph:ipphan tichdongchay Phuongph:ipquang phfihuynhquang Phuongph:ipquangphoh:Ipthunguye‘ntir Phuongph:ipquangphfiICP-AES PhuongphiipquangphoICP-MS Phuongph:ipVon-Ampehoatan Phuongph:iphuynhquang tiaX(ED-XRF) Phuongph:ipsack jion(IC)vasaekjlonghie’uniingcao(HPLC) 36 36 37 37 38 38 38 38 39 39 39 , IV.11 C:icphuongph:ipph6ntichhi(ndaikhac PhdnB-Nghiénermd:inhgi:ihi(ntrangonhiémnuocnganikhuvucDongNamHaNfiidoarsenvakimloain:ingg:iyra I I.1 I.2 II Phuongph:ipvadiadie”mthuthapmanPhuo ngph:ipthuthapmau D|adiemthu th(tpmAu II.I II.2 B.3 11.4 II.5 Thénhph:inho:ihoccuanucrcnganibematvanucicng6mTie‘uchubchatl uongnuGicngAmVi(tNam GioihanhamluongAs ciiac:ie tieuchuanthégiciichonuocsinhhoat Luachonphuongph:ip phttntich Phsntichso s:inhqu0ctévaphtintichkiémtra Nghienemukh:tos:itd:inhgianined6nhie‘mbannguonnuficrig:tintaikhu cDong-NamH a Nfii III 41 41 41 - gttrroonnggright‘en III I Nghienemu khéos:ittheodia1yhanhchinh III.2 Nghienciluphanbohamluongc:icnguyéntotheomiia III.3 Nghie‘nciiumfiituongquanhamluonggiuaAsvamotsokimloai III.4 NghiénemutiI(hamlupngAs(III)va AsTtrongc:iemsunuocngiim IV Ketlu(nve’ c:ienghiénemuddnhgi:ivanhfmgdéxuat IV.1 Kétlu:inveciicnghienciiud:inhgi:i IV.2 Nhfmgde‘xuatdnatre’nketquanghienciiud:inhgi:i Ph:inC-Btisitli(uph:intich“Thanhphannuiicrig:tin”khuvucDiing-Nam HaNoi 42 43 43 44 45 45 55 65 67 67 69 I BEsoliéumiiakhfi 70 II Bosolieum i i a mua 79 Ph:inD-BoguytrinhdjnhluongAsvac:iehimloainangtrongmannuo••ga» 90 Dinhluongc:icnguyéntotrong ‘unuocrig:tinbang phuongph:ipICP-MS DinhluongArsentongsovaAs(III)trongin:iunucicng:linb:ingphuongph:i Hydruaho:i-quangph0Hapthunguye‘ntit Dinhliiongc:ienguye’ntodalupngtrongmitunuocrig:innbangphuongph:ipquang phoH4pthunguye’ntfrngonlira 91 96 10 Dinhluongmot nguyen vilupngtrongmdu quangphoH6pthunguyentirkh0ngngonlira Ketluanchung 106 Tailie‘uthamkh:toP 107 h4nPhuluc ABSTRACT Studyontheasessmentofthecontaminationo f groundwaterin Hanoiregionduetoar rsenicandseveralheavymetal-ionswasperformedfortheSouthEastareaofHanoicity.Bymeanso f t h e quantitative d e t e r m i n a t i o n o f a r s e n i c a n d o t h e r he av y m e t a l s c o n t e n t s i n the groundwatersamples,whichwerecollectedfromthedeeperwellso ver60mdepth(according toVietnameseNationalS tandards TCVN-60001995)and fromthoseatshalloweraquifers,thei n v e s t i g a t i o n i n t o t h e d i s t r i b u t i o n o f A s a n d o t h e r h e a v y e l e m e n t s a g a i n s t t h e administrativelygeographicplaceandthe seasonswasdone,andtheirdistributionprincipleswerethuswithdrawnpreliminarily.A c c o r d i n g t o VietnameseNationalStandardsonthelimitofmetalionspresentedindrinkingwater,whichwasissued in2003theconclusionsaboutthecontaminationofgroundwaterresourcesduetoAsor heavymetalionsweredrawn.Onthebasicof thecomparisonbetweentheAsandheavymetalcontentsatacertainsurveyedwellfromdeepera quiferandthosefrom surroundingshallowerwellsatitsclosedcordinators,theconclusionwhether thereexistedthetranportationofcontaminantsfromtheground surfacetothedeepera c q u i f e r s w a s c o n d u c t e d T h e correlation o f co nc en tr at i on b e t w e e n a r s e n i c and variousmetalelementssuchasFe,Mn,oxoauionformedelements,a nd ot herswereperformedf o r eachstudiedarea.Theproportiono f As(III)andtotal arsenicconte ntforthefirsttime i n V i e t n a m w a s c a l c u l a t e d f o r wholeg r o u n d w a t e r s a m p l e s a t dr ys e a s o n a n d a t rainyseason.Thesevaluescoveredtherangeof0.10.8,whichweresimilartothatobtainedforthegroundwaterenvironmentofsomeregionsintheworld,suchas Bangladesh,WestBengal(India),NorthenpartsofChina,ect Thereview ofstudyonthecontaminationofgroundwatercausedby arsenicandothermetalionswasgiven.Theseriesofanalyticaldataonseveralmetalionsconcentration,w hichcontainedin120groundwatersamplesforallstudiedareaswerereported.A setofanalyticalproced uresf o r the m a j o r a n d m i n o r e l e m e n t c o n t a i n i n g i n g r o u n d w a t e r s a m p l e s w a s t h u s establishedusingtheadvancedanalyticaltechniques(ICP-MS,ETA-AAS,CV-AAS, ) Nghienci iu dénhgi:imitedofinhie’mnuocngdmH aNoidoarsenvac:iekimloai nang gAyradadunethuchi(ntaikhuvucDongNamH aNfii.Thongquavi(cnghienemudinhluongthanhph¾Arsenvanhieukimloainangtrong cacmdunUcicngtimthu od0s:iutrén60in(TCVN-60001995)vac:icmaunuococ:ictdngnonghon,c:iekhaos:ittheodia1yhh chinh,theom i i a daduactienhan hvac:icguylu6tphtinbodunebuficdaurutra.Ciinciia vaotie‘uchu:inVie‘tNamnam 2003végi oihanc:icnguyc:nt o comattrongnufics inh hoat,cacketlu pnvemiredfinhiémb¾ngufinnuocngani doAshoaccackimloainangdwacdnara.Dnatre‘nsos:inhhamlupng ciiaArsenvac:icnguyénto kiml oainangt a i cécvit ri cotoad“ogAnnhau,nhirngkh:ienhauve‘dosanciiagiengkhoan,c:icketlu:Insuvénchuyenc h:itgaynhiémbanmi5itruéingtitmatdatxufingc:ietg chiianuocsauhonduocdnara.Tirongquanhamlu onggiuaarsenvacacnguye‘ntoFe,Mn,cacnguyentotaooxo-anion,van h i e u ’tthheeootimgd jad i e m khaos :i t Ti1(ham nguyénti5kimloainangkh:iedadunenghién luongAs(III)/ AsTcuatAtc:iec:icmiiunuocdu‹iidatthudunetheomiia1:indautienduoctinhtoiinvakétquachoth6yti1(nayn:i nntronggifiihan0,1-0,8tuongtirv6i nganicfiamotsonottre‘nthegiciinhuBangladesh,TityBengal,Trungquoc, Tfingquanc:icnghienchinvéfinhiémngufinnuocduéiidatdoAsvéc:iekimloain:inggayradaduneb:toc: to;B6so1i(upht i c h ciia1 maunircrcduoiddtvabficiicguytrinh phantichcitenguyen todaluongvaviluongtrongcacmsunuocbangc:icphuongphapphantichhi(ndai(ICP-MS,ETAAAS,CV-AAS, )ciingdadvocxaydung B:ingc:ietirviéttat,fry'hi(uvathuatngfr ICPAESICPMS ED-XRF IC HPLC ETA-AAS CVAASHGAAS WHOEA WAG GEMS AsT InductiveC o u p l e PlasmaA t o m i c E m i s s i o n S f ›ectrometry,Phii on gp h é pquan 8whoplasmaph ét xanguyénlu, InductiveCouplePlasmaMassSpectrometry,Phuongphé pquang phoplasmaccimi?iigkhé“ipho, Energy DispersfUé—XRayF l u o r e s c e n c e , P h u o n g p h é p Huynh qu‹iiigtiaXphéngiciitheonéngluong,’ IonChromatography,Phuongphé pScic Ion, HighP e r f o r m e n t Li quidC h r o m a t ography,P h u o n g p h é pS a c kjl c › n g hiéunangcao, ElectrothermalAtomization— AtomicAbsorptionSpectiometry,Ph uo ng phépQ u a n g phoHépt h u N guyénT u d i i ngt h u é t nguyéntithoékhéngngon lita, Cold Vapour—AtomicAbsoiption Spectrometr y, Phuong pºaFQ u a n g ’Hépthu/VguyénTOdiiiig t6u‹ithoéhm‘lanh, H ydiideGenerationAtomicAbsorption 5pectrometry,Phuongp h é p@u‹iiigp/ 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