ELECTODEPOSITION OF MOLYBDENUM FROM ALKALI ELECTROLYTE

The process of reducing molybdate ions from an alkaline electrolyte was investigated by removing cyclic and linear polarization curves. The reduction of molybdate ions occurs predominantly from heptomolybdate ions, which are formed as a result of the polymerizing action of ammonium ions on molybdate ions. The formation of a large amount of heptamolybdates in an alkaline solution accelerates the reduction reaction of molybdate ions. An analysis of the polarization curves at different temperatures made it possible to reveal that the process of electroreduction of molybdate ions from an alkaline electrolyte is accompanied by diffusion polarization