Abe, M. Ohtani, A. Umemoto, Y. Akizuki, S. M. Higuchi, H. Nakamoto, K. Okuno, A. and Noda, Y., (1989),Soluble and high molecular weight polyaniline. Journal of the Chemical Society, Chemical. 2: 1736-1738
Abdel Ghani N.T. and Elchaghaby, G.A., (2007). Influence of operating conditions on the removal of Cu, Zn, Cd and Pb ion from wastewater by adsorption. International Journal of Environmental Science and Technology. 4(4): 451-456
Booking , E. C., (2007),Trends in hazardous materials research, Nova Science Publishers, New York, Freundlich, H.M.A., (1906), Concerning adsorption in solutions. Journal of Physical Chemistry. 57: 385-470
Hall, K.L. Eagleton, L.C. Acrivos, A. and Vermeulen,T., (1966),Pore and solid-diffusion kinetics in fixed bed adsorption under constant pattern conditions. Industrial & Engineering Chemistry Fundamentals. 5: 212-223
Ho, Y.S., and Ofomaja, A.E., (2006). Biosorption thermodynamics of cadmium on coconut copra meal as biosorbent. Biochemical Engineering Journal. 30: 117–123.
Horsfall, M.; Spiff, A.I. and Abia, A.A. (2004). Studies on the influence of mercaptoacetic acid (MAA) modification of cassava (Manihot sculenta cranz) waste Biomass on the adsorption of Cu2+ and Cd2+ from aqueous solution. Bulletin of Korean Chemical Society. 25(7): 969-976.
Kumar ,A., Ray ,P. M. ,Chakraborty, S., (2007). Hexavalent chromium removal from wastewater using aniline formaldehyde condensate coated silica gel. Journal of Hazardous Materials.143:24 -32
Langmuir, L., (1918),The adsorption of gases on plane surfaces of glass mica and platinum. Journal of the American Chemical Society. 40: 1361-1403
Liu, G. and Freund, M. S., (1997),New Approach for the Controlled Cross-Linking of Polyaniline: Synthesis and Characterization. Macromolecules. 30: 5660-5665