Fig. 5From: Aerobic and anaerobic reduction of birnessite by a novel Dietzia strainReduction potential of O2, birnessite (at 2 × 10−5 and 2 × 10−6 M Mn2+ activity) [42] and AQDS (at 5 × 10−5 M AQDS plus 5 × 10−5 M AH2DS and 10−4 AQDS M plus 10−7 M AH2DS activity) [43] as a function of pH.Back to article page