Fig. 6
From: The physiological effect of heavy metals and volatile fatty acids on Methanococcus maripaludis S2
Concentration of acetate (Ac) and propionate (Pr) measured at the end of the closed batch cultivation of M. maripaludis 37 °C, 140 rpm, 2.9 bar. The values 1, 2, 3 refer to the increasing concentrations of each compounds applied individually and simultaneously. (1,2,3) Ac: 12.2, 60.9, 121.9 mmol L−1; (1,2,3) Pr: 10.4, 52.0, 104.1 mmol L−1 12.2, 60.9, 121.9 mmol L−1; Cu (1.9, 4.4, 6.3 µmol L−1)