新乡市污灌土壤中重金属含量及植物质量评价

1,1,2,1(1.,,453007;2.,453000),:ZnCuPbCr,NiCd,NiCd,:CdCrPbCuZn100%100%70%60%100%CdCr;Cd;Cr;Ni;;S154A0517-6611(2007)12-03634-02EvaluationoftheHeavyMetalintheSuburbanFarmlandIrrigatedwithBatteryWasteWaterandthePlantinXinxiangCityPIYun-qingetal(CollegeofChemistryandEnvironmentScience,HenanNormalUniversity,HenanKeyLaboratoryforEnvironmentalPollutionCon-trol,Xinxiang,Henan453007)AbstractInordertostudytheheavymetalpollutionsituationinfarmlandirrigatedbywastewaterinXinxiang,thecontentofmanyheavymetalsinplantwasinvestigated.ThesoilextractionexperimentsshowedthattheconcentrationofZn,Cu,PbandCrwerelowerthanthenationalstandard,andthecontentofNiandCdwereoverthestandard.TheirrigatedsoilwasobviouslypollutedbytheheavymetalNiandCd.Accordingtonationalsanitarystandardoffood,thepolluteddegreeofheavymetalwasevalutedandtheresultsindicatedtheconcentrationofCd,CrandZninallplantswereoverthestandard;theconcentrationofPbandCuinsomeplantswereoverthestandard;inotherplantsitwaslowerthestandard.TheheavymetalCrandCdthatpollutedplantweremoreserious.KeywordsWasterwaterirrigation;Cd;Ni;Cr;Heavymetal;Plant,,,,[1-2],,,[3],,,,11.12,,10,3,7,1.21.2.1,5mlHNO31mlHCl1mlHF1mlHClO4FR-1,KD21B-C,1.2.2,,3,,,,HNO3HClFR-1,KD21B-C,(0611012000);(06S049)(1969-),,,,2006-12-2822.1(GB15618-1995)::Cd1.0mg/kgNi50mg/kgZn250mg/kgCu100mg/kgPb300mg/kgCr250mg/kg1,PbCrCu,1#Zn,2#1#Ni36.5mg/kg,;2#Ni254.5mg/kg,5Cd18.26694.538mg/kg,:2CdNi,Cd,1CdNi2,PbCrCuZn2,,CdNi1mg/kgPbZnCrCdCnNi1#6.4641220.5894.53861.40932.299254.52#13.2850266.5218.26663.93247.28736.52.2Cd2Pb,,21Pb,0.24431.4990mg/kg,17,70%Pb**,*7,2,,*PbZn,21Zn,41.16482.193mg/kg,24,100%,**,JournalofAnhuiAgri.Sci.2007,35(12):3634-3635**,1Zn,Zn2,ZnCd,CdZn[5]2Cr,Cr,2.9937180.13mg/kg,4360****2mg/kgPbZnCdCrCu*0.244368.39307.327826.624019.0520*1.499082.193073.698028.230213.2410*068.80704.2381138.368.7256*076.845.526.313.20.498857.85500.997596.25908.72820.245755.53900.7372180.13008.35550.249856.70501.748634.722016.9860046.84300.743512.14404.70900.247248.45700.98896.42809.88920.249541.16400.74842.993713.22200.2200.050.510GB14935-94GB13106-91GB15201-94GB14961-94GB15199-94:*12Cu,Cu,4.709019.052mg/kg,2Cu:***,Cu,60%2Cd,Cd,151473*****1473,*,Cd2.32.3.1[6]:Pij=Cij/Si,Pijji;Cijji;Si:P={[(Ci/Si)2max+(Ci/Si2)ave]/2}1/2,Pj;(Ci/Si)max;(Ci/Si)ave3,31P0.720.7P131P242P353P2.3.2244,2,1#CdNi;2#CdZn4PbZnCdCrCuNi1#0.02150.882394.540.24560.32305.0967.92#0.04431.066118.270.25570.47290.7313.15Pij,11:CdCr13(1)Cd,[7]Cr,3Cr,6Cr[8]Pb[9]CuZn,,(2)CdNi;CdCrPbCuZn100%100%70%60%100%CdCr(3)CrZn,CrZn100%,[1]ZHANGMINGKUI,WANGMEIQING,LIUXINGMEI,etal.Characterizationofsoilqualityundervegetableproductionalonganurbarrruralgradient[J].Pedo-sphere,2003,13(2):173-180.[2]ZHOUDONGMEI,CHENHUIMAN,HAOXIUZHEN,etal.Fractionationofheavymetalsinsoilasaffectedbysoiltypesandmetalloadquantity[J].Pe-dosphere,2002,12(4):309-321.[3],,.[J].,2000,19(2):96-98.[4],,,.[J].:,2005,33(3):95-97.[5],,.[J].,1996,18(3):24-29.[6].[J].,2002,20(4):399-402.[7].[J].,1999(10):1-3.[8],,.[M].:,2001.[9],,.[J].,2000(6):33-36.53633512