[1] [1] Moles N R, Smyth D, Mather C E, et al. Applied Earth Science, 2004, 113: 21.

[2] [2] Wilson B, Lang B, Pyatt F B. Ecotoxicology and Environmental Safety, 2005, 60(3): 269.

[3] [3] Kachur A N, Arzhanova V S, Yelpatyevsky P V, et al. The Science of the Total Environment, 2003, 303(1-2): 171.

[4] [4] Sobanska S, Ledésert B, Deneele D, et al. Earth and Planetary Sciences, 2000, 331(4): 271.

[7] [7] Sharma N C, Gardea-Torresdey J L, Parsons J, et al. Environmental Toxicology and Chemistry, 2004, 23(9): 2068.

[8] [8] Sarret G, Vangronsveld J, Manceau A, et al. Environ. Sci. Technol., 2001, 35(13): 2854.

[9] [9] López M L, Peralta-Videa J R, Parsons J G, et al. Environ. Sci. Technol., 2007, 41(23): 8165.

[11] [11] Wang W C. Environ． Res．, 1990, 52: 7.

[12] [12] Alvarado S, Guédez M, Lué-Merú M P, et al. Bioresource Technology, 2008, 99(17): 8436.

[13] [13] Samardakiewicz S, Woz′ny A. Plant and Soil, 2000, 226(1): 107.

[15] [15] Zhang X, Zhao F J, Huang Q, et al. New Phytologist, 2009, 182(2): 421.

[16] [16] Barrett J E S, Taylor K G, Hudson-Edwards K A, et al. Environ. Sci. Technol., 2010, 44(8): 2940.

[17] [17] Niazi N K, Singh B, Shah P. Environ. Sci. Technol., 2011, 45(17): 7135.

[18] [18] Ravel B, Newville M. Journal of Synchrotron Radiation, 2005, 12(4): 537.

[19] [19] Salta D E, Princeb R C, Pickering I J. Microchemical Journal, 2002, 71(2-3): 255.

[20] [20] Tiemann K J, Gamez G, Dokken K, et al. X-Ray Absorption Spectroscopy, 2002, 71(2-3): 287.