Fig. 2From: Evaluation of Cr(VI) adsorption on glutaraldehyde crosslinked chitosan beads using cyclic voltammetry employing gold electrodea FESEM image of entire C bead. b FESEM image of entire C + G + Cr bead. c EDAX mapping of Cr(VI) on C + G bead. d FESEM image of C at higher magnification. e FESEM image of C + G + Cr at higher magnification. f EDAX of Cr(VI) adsorbed on C + G beadBack to article page