KOMBINIERTER GLANZBILDNER FUER SULFAMATISCHES VERSILBERUNGSBAD

KOMBINIERTER GLANZBILDNER FUER SULFAMATISCHES VERSILBERUNGSBAD

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, a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OVTSCHAROV SAVA DIMITROV, NOVEV TODOR VASSILEV, ATSCHEVA JIVKA PETROVA, JORDANOV JORDAN IVANOV, MANDOVA MARIA LALEVA, JORDANOV NIKOLA STEFANOV
Format: Patent
Sprache:ger
Schlagworte:
APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Beschreibung
Zusammenfassung: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.