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. 2014 Feb 18;2(4):910–917. doi: 10.1021/sc400520x

Figure 2.

Figure 2

Effect of changing set potential from −600 mV vs SHE (average of duplicate reactors in cycle 5) to −650 or −550 mV (individual reactors split and examined in cycle 6). Error bars indicate high and low values of the duplicates during cycle 5.