87.12 Basic principal and application of electrolysis Inert Oxidation of species in anode solution A nodic reaction Active dissolution Active Passivation and conversion anode Electrolysis reaction Anodization reduction of species in solution cathodic reaction reduction of oxide/conversion layerAnodic reaction cathodic reaction Active dissolution Passivation and conversion Anodization Inert anode Active anode Oxidation of species in solution reduction of species in solution reduction of oxide/conversion layer Electrolysis reaction §7.12 Basic principal and application of electrolysis