The effect of impregnation of activated carbon with SnCl2.2H2O on its porosity, surface composition and CO gas adsorption - Al-Khatib, Ma'an. F; Sunny, E.Iyuke; Mohammad, Abu Bakar; W. Daud, W.R; H.Kadhum, Abdul Amir; Mohd Shariff, Azmi (Pegamon, 2002)