Synergistic brightener combination for amorphous nickel phosphor

Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...

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204 40, 204 41, 204 447, 428672, 428680, C25D 512

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active

045542198

ABSTRACT:
Leveling of amorphous nickel-phosphorus electroplating is achieved by the combined synergistic action of a class II brightener and an organic acid having the formula

REFERENCES:
patent: 2643221 (1953-06-01), Brenner et al.
patent: 2644787 (1953-07-01), Bonn et al.
patent: 4160049 (1979-07-01), Narcus
patent: 4268584 (1981-05-01), Ahn et al.
J. K. Dennis et al., "Nickel and Chromium Plating", p. 81, (1972).
Burns and Bradley, "Protective Coatings for Metals", ACS Monograph, No. 163, Reinhold, p. 220, (1960).

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