Nagirnyi V. M. UkraineDnepropetrovsk Ukrainian State Chemical and Technological University, 8, Gagarin Ave, Dnepropetrovsk, 49005 Author's articles Electrocrystalliзation character of metal-oxide compounds Electrolytic co-deposition Cobalt Oxide (III) with Nickel (III) and Chrome (III) oxides and formation of binary oxide compounds