Composition and method for electrodeposition of black nickel

Details Composition and method for electrodeposition of black nickel Composition and method for electrodeposition of black nickel

1980-10-17

1982-06-01

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

C25D 312

Patent

active

043326471

ABSTRACT:
A process and aqueous composition for electro-depositing a uniform, adherent substantially black nickel deposit on a conductive substrate. The aqueous solution is of a pH ranging from about 4 to about 12 and contains nickel ions, borate ions, conductivity salts and a controlled effective amount of a selected class of bath soluble amines to attain the black nickel deposit. The aqueous solution may further optionally contain supplemental darkening enhancing agents and wetting agents of the types conventionally employed in nickel electroplating solutions.

REFERENCES:
patent: 4244790 (1981-01-01), Wieczerniak
E. J. Roehl et al., Reprinted from Feb. 1950, issue of Plating.

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