Fig. 4From: Evaluation of Cr(VI) adsorption on glutaraldehyde crosslinked chitosan beads using cyclic voltammetry employing gold electrodea Cyclic voltammograms of Cr(VI) at different concentrations with scan rate of 0.1 V s−1 in potential range of 0.0–0.6 V having sensitivity 0.001 AV−1. b Linear plot of Peak current versus concentration of Cr(VI)Back to article page