Fig. 2From: Bioreduction of hexavalent chromium by Pseudomonas stutzeri L1 and Acinetobacter baumannii L2Effect of pH on reduction of the hexavalent chromium ion [Cr(VI)] to the less toxic trivalent chromium ion [Cr(III)] by Pseudomonas stutzeri L1 (a) and Acinetobacter baumannii L2 (b) Error bars indicate the standard deviations of 3 measurementsBack to article page