1. Ion exchange properties of silica gel in the sorption of Na+, Ca+, Ba2+, Vo22+, Cr3+, Zr(IV)+, Nb, U(IV);Ahrland;Acta chem. Scar.,1960
2. Removal of toxic metals from power generation waste stream by adsorption and coprecipitation;Benjamin;J. Wat. Pollut Control Fed.,1982
3. The removal of Cd(II) from water by activated carbon process;Boomhower,1982
4. Physical and chemical adsorption of ions in the electrical double layer on hematite (α-Fe2O3);Breeuwsma;J. Colloid Interface Sci.,1973
5. The adsorption characteristics of Cu(II), Pb(II), Ni(II) and Zn(II) onto activated carbon surface;Corapcioglu,1984