GALVANISCHES VERCHROMUNGSBAD UND VERCHROMUNGSVERFAHREN

GALVANISCHES VERCHROMUNGSBAD UND VERCHROMUNGSVERFAHREN

To a conventional chromium electroplating bath containing 450 g/l chromic acid CrO3 and 4.5 g/l sulphuric acid H2SO4 are added 10 g/l of potassium perchlorate or potassium bromate or potassium iodate or mixtures thereof. Higher current densities may be used in electrodepositing chromium without impa...

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Bibliographische Detailangaben
Hauptverfasser: ANDREW NAISMITH,JOHN, HOWE,DAVID, ASHLEY PATE,MALCOLM, MCCORMICK,MALCOLM
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:To a conventional chromium electroplating bath containing 450 g/l chromic acid CrO3 and 4.5 g/l sulphuric acid H2SO4 are added 10 g/l of potassium perchlorate or potassium bromate or potassium iodate or mixtures thereof. Higher current densities may be used in electrodepositing chromium without impairing the quality.