Fig. 6From: Interaction mechanisms and kinetics of ferrous ion and hexagonal birnessite in aqueous systemsXRD patterns of solid products of 10 mM Fe2(SO4)3 (a), Fe2(SO4)3 (10 mM)/MnSO4 (10 mM) (b), and Fe2(SO4)3 (10 mM)/FeSO4 (10 mM) (c) aqueous solutions in nitrogen atmosphere with pH 5.5 at different timesBack to article page