1. Fact Sheet No 210, Arsenic in Drinking Water, World Health Organization (WHO), Geneva, Switzerland, 2001.
2. Arsenic speciation in the environment;Cullen;Chem. Rev.,1989
3. National Academy of Sciences (NAS), Arsenic: Medical and Biological Effects of Environmental Pollutants, Washington, D.C., 1977, p. 332.
4. Treatment of arsenic(V)-containing water by the activated carbon process;Huang;J. Water Pollut. Control Fed.,1984
5. Removal of As(V) from aqueous solution using industrial solid waste: adsorption rates and equilibrium studies;Namasivayam;Ind. Eng. Chem. Res.,1998