7Lin Yupin, Chang T. K. Geostatistical simulation and es- timation of the spatial variability of soil zinc. Journal of Environmental Science and Health, Part A: Toxic/Haz- ardous Substances and Environmental Engineering, 2000, 35 ( 3 ) : 327-347.
8Alloway B J. Soil Processes and the Behavior of Heavy [ Metals. New York : Blackie, 1995 : 11-37.
9Kinniburgh D. G. , Jackson M. L. , Syers J. K. Adsorp- tion of alkaline earth, transition, and heavy metal cations by hydrous oxide gels of iron and aluminum. Soil Science Society of America Journal, 1976, 40:796-799.
10Miller C. L. , Southworth G. , Brooks S. , et al. Kinetic controls on the complexation between mercury and dis- solved organic matter in a contaminated environment. En- vironmental Science & Technology, 2009, 43 (22) : 8548- 8553.