ELECTROLYTE OF BRIGHT ZINC PLATING Russian patent published in 2009 - IPC C25D3/22 

FIELD: metallurgy.

SUBSTANCE: invention concerns plating field. Particularly it concerns zinc plating and can be used in mechanical engineering fabricated metals protection against corrosion. Electrolyte contains, % wt: ZnSO₄·7H₂O 10.0-20.0; Na₂SO₄·10H₂O 8.0-10.0; bone glue 0.2-0.25; infusion of poplar fluff 0.5-0.7; water is the rest.

EFFECT: substitution of toxic, scarce, expensive brightener for harmless for living organism, non-scarce, not expensive brilliance-forming admixture, and also increasing of cathodic current density and increasing of electrolyte scattering power.

2 tbl, 3 ex