土壤粒级中重金属元素的形态分析与环境风险评价

1、 第 2期 汤志云等 : 土壤粒级中重金属元素的形 态分析与环境风险评价 169 Cu 主要以低环境活性和环境惰性的形态存在, 高环 境活性的形态只占小量, Cu 在土壤中的存在形态可 能与土壤性质有关。 6 ent fine partic les m odify heart rate variab ility in young hea lthy adults J. Journal of Exposure A na lysis and En v ironm enta l Ep idem io logy , 2006, 16: 125- 130. SENESI G S, BALDA SSARR

2、E G, SENESI N, et a.l T race e lem ents inputs into so ils by anthropog en ic activ ities and m plication fo r hum an hea lth J . Che i m osphere , 1999, 39: 343- 377 . 7 BAUM ANN T, FRUHSTORFER P, K LEI N T, et a. l Co llo id and heavy m etal transpo rt at landfill s ites in d irect con tactw ith g

3、roundw ate r J. W ater R esearch, 2006, 40: 2776- 2886. 8 AJ MONE MARSAN F , BI ASIOL I M, KRAL J T , et a. l M eta ls in partic le size fractions of the so ils of five European cities J. Env ironmenta l Pollution, 2008 , 152 : 73- 81 . 9 TANG Z Y, WU L H, LUO Y M, et a . l S ize fractiona tion and

4、charac terization o f nano collo ida l particles in so ils J. Env ironmenta l G eo che m istry and H ea lth, 2009 , 31: 1- 10. 10 W EN L S, SANT SCH I P, G ILL G, et a.l Estuar ine trace me tal distr ibutions in G a lveston Bay , i m po rtance of co llo i da l fo r m s in the spec iation of the d is

5、so lved phase J. M ar ine Chem istry , 1999 , 61: 2867- 2878. 11 SY SA LOVA J , SZAKOVA J . M obility assess m ent and va l idation o f tox ic ele m ents in tunne l dust sa m ples Subw ay and road us ing sequentia l chem ical ex traction and I CP AES /GF AA S m easurem ents J . search , 2006 , 101(

6、3: 287- 293. Environm enta l R e 4 致 谢 形态分析标准物质 BCR701 由国家地质实验测 试中心研究员王亚平博士提供 , 在此谨致谢意 ! 参考文献: 1 HO K F, LEE S C, CHO W J C, et a. l Characte rization o f P M 10 and P M 2 5 source pro files for fug itive dust in H ong K ong J . - 1032. 2 LEE P K, YOU Y H, YUN S T, et a. l M eta l conta m ination an

7、d so lid phase partitioning o f m e tals in urban roadside sedi m en ts J. Che m osphere , 2005 , 60: 672- 689 . 3 European U n ion. 1999/30 /EC CouncilD irec tive R elating to L i m itV alues for Sulphur diox ide , N itrogen d iox ide and O x ides o f N itrogen, Particu late M atter and L ead in Am

8、 bi ent A ir S. 4 DOM I N IC I F, PENG R D, BELL M L , et a . l F ine particu late a ir pollution and hospita l adm ission for card iovascular and resp iratory d iseases J. 5 Journal of the Am erican M ed ica l Infor m a tics A ssoc ia tion , 2006 , 295: 1127- 1134 . VALLEJO M, RU IZ S, HERM O SILLO

9、 A G, et a . l Am bi At m ospher ic Env ironm ent , 2003, 37: 1023 M orpholog ic analysis and environm enta l risk assessm ent of heavy m etal elem ents in sized fractio natio nal so ils TANG Zhi yun , WU Long hua , LUO Yong m ing ( 1 . G eo log ical Survey of Jiangsu P rov ince , N anjing 210018 ,

10、Ch ina ; 210008, Ch ina 1 , 2 2 2 2. K ey L abo rato ry of So ilEnvironment and Po llution R e m ediation, N anjing Institu te o f So il Sc ience , Ch inese A cademy of Sc iences, Sta te K ey L aboratory o f So il and Susta inab le A gr iculture , N anjing Abstract : A ctiv ity and env ironm ental r

11、 isk assessm ents of heavy me tals in so il fractions were he lpfu l to understand and contro l the be hav iors , che m ical transfor m a tion and ru les o f heavy m eta l in env ironm ent . Che m ica l ana lysis o f Cu, Cd and org an ic carbon in each so lid fraction of so ils samp les from three a

12、reas showed that the concentration of these components increased as particle size decreased, and the concentration of Cu o r Cd w as po sitive ly co re lated w ith org an ic carbon , ind ica ting co llo ids and nano collo ida l partic les p layed an i m po r tant ro le in re tain ing heavy m eta ls. Chem ica l fractionation by m orpho log ic m ethod show ed tha t Cdm a in ly ex isted in h igh active fo r m, in d icating a h igher r isk in so il env ironm entw hile Cu ma in ly in lowe r active and inert fo r ms , m ino r in h igher env ironm enta l activ ity , ind ica ting a lo