郭广勇;袁涛;汪洁;王文华;

• 1:上海师范大学生命与环境科学学院
• 2:上海交通大学环境科学与工程学院

摘要(Abstract)：

利用X射线吸收精细结构谱(XAFS)对老化过程中土壤中铜的分子形态进行初步表征。以硫酸铜、氧化铜和硫化铜的X射线吸收扩展边结构(EXAFS)谱为参比,对土壤样品中Cu的EXAFS谱进行拟合,得到不同老化阶段与参比物质相对应的结合态Cu的百分含量,并与连续提取法表征进行比较。XAFS分析结果表明,老化阶段土壤样品中铜的主要结合形态是CuSO_4,同时还有部分CuS,基本不含有CuO。随着时间的推移,土壤中CuSO_4百分含量呈现出下降的趋势,CuS百分含量呈现出上升的趋势。这与连续提取法研究结果中其可交换态的百分比下降,残渣态上升的趋势相似。

关键词(KeyWords)： 老化过程;铜形态;土壤;X射线吸收光谱(XAFS)

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 郭广勇;袁涛;汪洁;王文华;

Email:

DOI:

参考文献(References)：

• [1]Ma Y B,Uren N C.The fate and transformation of zinc added to soils[J].Australian Journal of Soil Research,1997,35(4):727-738
• [2]Ma Y B,Lombi E,Oliver I W,et al.Long-term aging of copper added to soils[J].Environmental Science&Technology,2006,40(20):6310-6317
• [3]Ma Y B,Lombi E,Nolan A L,et al.Short-term natural attenuation of copper in soils:Effects of time,temperature,and soil characteristics[J].Environmental Toxicology and Chemistry/SETAC,2006,25(3):652-658
• [4]Martinez C E,Jacobson A R,McBride M B.Aging and temperature effects on DOC and elemental release from a metal contaminated soil[J].Environmental Pollution,2003,122(1):135-143
• [5]Brennan R F,Gartrell J W,Robson A D.Reactions of copper with soil affecting its availability to plants.I.Effect of soil type and time[J].Australian Journal Soil Research,1980,18(4):447-459
• [6]Bruus Pedersen M,van Gestel C A.Toxicity of copper to the collembolan Folsomia fimetaria in relation to the age of soil contamination[J].Ecotoxicology and Environmental Safety,2001,49(1):54-59
• [7]Scott-fordsmand J J,Weeks J M,Hopkin S P.Importance of contamination history for understanding toxicity of copper to earthworm Eisenia fetida(Oligochaeta:Annelida),using neutral-red retention assay[J].Environmental Toxicology and Chemistry,2000,19(7):1774-1780
• [8]Calmano W,Mangold S,Welter E.An XAFS investigation of the artefacts caused by sequential extraction analyses of Pb-contaminated soils[J].Freseniu's Jounral of Analytical Chemistry,2001,371(6):823-830
• [9]Scheckel K G,Impellitteri C A,Ryan J A,et al.Assessment of a sequential extraction procedure for perturbed lead-contaminated samples with and without phosphorus amendments[J].Environmental Science&Technology,2003,37(9):1892-1898
• [10]Zimmerman A J,Weindorf D C.Heavy metal and trace metal analysis in soil by sequential extraction:A review of procedures[J].International Journal of Analytical Chemistry,2010:1-7
• [11]张祖德,胡振波,刘清亮.EXAFS谱在生物无机化学中的应用[J].化学进展,1996,8(3):213-219Zhang Z D,Hu Z B,Liu Q L.The applications of EXAFS spectroscopy in bioinorganic chemistry[J].Progress in Chemistry,1996,8(3):213-219(in Chinese)
• [12]韦世强,谢亚宁,徐法强,等.同步辐射讲座第一讲同步辐射XAFS实验站及其应用[J].物理,2002,31(1):40-44Wei S Q,Xie Y N,Xu F Q,et al.Synchrotron radiation XAFS station and its applications[J].Physics,2002,31(1):40-44(in Chinese)
• [13]Aldrich M V,Gardea-Torresdey J L,Peralta-Videa J R,et al.Uptake and reduction of Cr(VI)to Cr(III)by mesquite(Prosopis spp.):Chromate-plant interaction in hydroponics and solid media studied using XAS[J].Environmental Science&Technology,2003,37(9):1859-1864
• [14]Shanker A K,Pathmanabhan G.Speciation dependant antioxidative response in roots and leaves of sorghum(Sorghum bicolor(L.)Moench cv CO 27)under Cr(III)and Cr(VI)stress[J].Plant and Soil,2004,265(1-2):141-151
• [15]栗斌,程扬健,马晓艳,等.微生物矿化机制研究中的介观分析技术——以微生物与六价铬相互作用为例[J].高校地质学报,2007,13(4):651-656Li B,Cheng Y J,Ma X Y,et al.Application of mesoscopic methods for studying the mechanisms of microbial mineralization:Using microbe-chromium interactions as an example[J].Geological Journal of China Universities,2007,13(4):651-656(in Chinese)
• [16]王荫淞,李爱国,张元勋,等.用扩展X射线吸收精细结构谱研究大气颗粒物中铁的种态[J].科学通报,2006,51(12):1474-1478
• [17]Tagami K,Uchida S.Aging effect on bioavailability of Mn,Co,Zn and Tc in Japanese agricultural soils under waterlogged conditions[J].Geoderma,1998,84(1):3-13
• [18]Martinez C E,Jacobson A R,McBride M B.Aging and temperature effects on DOC and elemental release from a metal contaminated soil[J].Environmental Pollution,2003,122(1):135-143
• [19]Tessier A,Campbell P G,Blsson M.Sequential extraction procedure for the speciation of particulate trace metals[J].Journal of Analytical Chemistry,1979,51(7):844-851
• [20]Rooney C P,Zhao F J,McGrath S P.Phytotoxicity of nickel in a range of European soils:Influence of soil properties,Ni solubility and speciation[J].Environmental Pollution(Barking,Essex:1987),2007,145(2):596-605
• [21]Ravel B,Newville M.Athena,Artemis.HEPHAESTUS:data analysis for X-ray absorption spectroscopy using IFEFFIT[J].Journal of Synchroton Radiation,2005,12(4):537-541
• [22]Aringhieri R,Carrai P,Petruzzelli G.Kineticsnof Cu~(2+)and Cd~(2+)adsorption by an Italian soil[J].Soil Science,1985,139(3):197-204
• [23]Han F X,Amos B.Long-term transformations and redistribution of potentially toxic heavy metals in aridzone soils incubated:I.under saturated conditions[J].Water Air and Soil Pollution,1997,95(1-4):399-423
• [24]Navas A,Lindhorfer H.Geochemical speciation of heavy metals in semiarid soils of the central Ebro Valley(Spain)[J].Environment International,2003,29(1):61-68
• [25]Stone M,Marsalek J.Trace metal composition and speciation in street sediment:Sault Ste.Marie,Canada[J].Water Air and Soil pollution,1996,87(1-4):149-169
• [26]Davis J A,James R O,Leckie J O.Surface ionization and complexation at the oxide/water interface:I.Computation of electrical double layer properties in simple electrolytes[J].Journal of Colloid and Interface Science,1978,63(3):480-499
• [27]Balasoiu C F,Zagury G J,Deschenes L.Partitioning and speciation of chromium,copper,and arsenic in CCA-contaminated soils:influence of soil composition[J].The Science of the Total Environment,2001,280(1-3):239-255
• [28]Huang Y J,Wang H P,Hsiao M C,et al.Speciation of copper in micropores[J].Water Air and Soil Pollution,2004,153(1-4):187-194
• [29]Hsiao M C,Wang H P.Speciation of copper in a contaminated soil[J].Bulletin of Environmental Contamination and Toxicology,2003,71(4):804-809
• [30]Labmnz M,Druschel G K,Thomsen-Eben L,et al.Formation of sphalerite(ZnS)deposits in natural biofilms of sulfate-reducing bacteria[J].Science,2000,290(5497):1744-1747
• [31]Moreau J W,Weber P K,Martin M C,et al.Extracellular proteins limit the dispersal of biogenic nanoparticles[J].Science,2007,316(5831):1600-1603
• [32]Hesterberg D,Chou J W,Hutchison K J,et al.Bonding of Hg(II)to reduced organic,sulfur in humic acid as affected by S/Hg ratio[J].Environmental Science&Technology,2001,35(13):2741-2745
• [33]York J T,Bar-Nahum I,Tolman W B.Copper-sulfur complexes supported by N-donor ligands:Towards models of the Cu-Z site in nitrous oxide reductase[J].Inorganica Chimica Acta,2008,361(4):885-893
• [34]Karlsson T,Elgh-Dalgren K,Bjom E,et al.Complexation of cadmium to sulfur and oxygen functional groups in an organic soil[J].Geochimica Et Cosmochimica Acta,2007,71(3):604-614
• [35]Strawn D G,Baker L L.Speciation of Cu in a contaminated agricultural soil measured by XAFS,μ-XAFS,andμ-XRF[J].Environmental Science&Technology,2008,42(1):37-42
• [36]Strawn D G,Baker L L.Molecular characterization of copper in soils using X-ray absorption spectroscopy[J].Environmental Pollution,2009,157(10):2813-2821
• [37]Sayers D E,Hesterberg D,Zhou W,et al.XAFS characterization of copper contamination in the unsaturated and saturated zones of a soil profile[J].Journal De Physique IV,1997,7(C2):831-832