From: Effect of tungstate on acetate and ethanol production by the electrosynthetic bacterium Sporomusa ovata
Trace elements
Concentration (µM)
Na2MoO4·2H2O
0.15
NiCl2·6H2O
0.10
ZnCl2
0.51
FeCl2·4H2O
7.54
Na2SeO3·5 H2O
0.01
Na2WO4·2H2O