Fig. 3From: Carbon nanotube/Chitosan hydrogel for adsorption of acid red 73 in aqueous and soil environments(a)Infrared spectra of CS, PVA, CH and MWCNTs (0.5%, 1%wt)/CH, (b) XRD diffractograms of CS, PVA, CH and MWCNTs (1%wt)/CH;BET analysis for as-prepared hydrogel CH and MWCNTs (1%wt)/CH samples: (c) N2 adsorption-desorption isotherm and (d) pore size distributionsBack to article page