Table 2. Mass of Elements Present in the Bacteria Normalized by the Total Mass of Fe in the Three Samples, as Measured by ICP–AES.

	MSGM – W	MSGM + W	FSM
Mn/Fe	0.0011(6)	0.0064(3)	0.002(2)
Co/Fe	0.0006(6)	0.0016(3)	0.002(2)
Cu/Fe	0.0067(6)	0.0431(4)	0.007(2)
Zn/Fe	0.006(1)	0.0116(8)	0.009(4)