SEARCH Articles Figures Tables Biogenic Mn oxides Co/Mn/Br-catalyzed oxidation Mn oxidation rates Mn oxide Mn oxide Mn oxide minerals Mn- and Fe-oxides Mn-based oxides Oxidation of Mn ion Oxidation rates of cation by Mn Oxidative Mn complexes Oxides of Mn, Re Radicals by Mn oxidation Structural stabilities of Mn(IV) oxides