Fig. 8From: Carbon nanotube/Chitosan hydrogel for adsorption of acid red 73 in aqueous and soil environmentsRemoval rate over multiple adsorption cycles in aquation (a) 70Â mg and (b) different masses of MWCNTs/CH and from the soil, (c) 100Â mg and (d) different masses of MWCNTs/CHBack to article page