FIELD: oxidation catalysts. SUBSTANCE: catalyst, containing, up to wt. %: lead oxides, 45; manganese oxides, 15; silver oxides, 7; cobalt oxides, 5; and lead, manganese, silver, and cobalt compounds the balance, constitutes anodic slime formed on lead anode during electrolytic reduction of cobalt from acidic sulfate solutions, which is preliminarily washed from electrolyte and then dried. EFFECT: reduced expenses on starting materials. 2 tbl, 3 ex
