Chemistry: electrical and wave energy – Processes and products
Patent
1980-02-29
1981-07-21
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
C25D 346
Patent
active
042797080
ABSTRACT:
A brightening composition is disclosed for an ammonia-sulfamate silver plating bath wherein said composition consists essentially of a pyridine-monocarboxylic acid or amide in a concentration of 0.5 to 10.0 g/l, in combination with at least one dye selected from the group consisting of an azo dye, an acid anthraquinone dye, and an arylamino dye, wherein the dye is present in a concentration of 0.01 to 2.0 g/l.
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Acheva Jivka P.
Mandova Maria L.
Novev Todor V.
Ovcharov Sava D.
Yordanov Nikola S.
Institute po Zashtita na Metalite ot Korroziya
Kaplan G. L.
Ross Karl F.
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