Trivalent chromium electrolyte and process employing reducing agents
Patent
·
OSTI ID:5963455
An aqueous acidic trivalent chromium electrolyte and process for electrodepositing chromium platings comprising an electrolyte containing trivalent chromium ions, a complexing agent, halide ions, ammonium ions and a reducing agent comprising an ion selected from the group consisting of scandium, yttrium, lanthanum, titanium, zirconium, hafnium, molybdenum, arsenic, selenium, tellurium, cerium, uranium, and tin present in an amount effective to maintain the concentration of hexavalent chromium ions formed in the bath at a level at which satisfactory chromium electrodeposits are obtained.
- Assignee:
- OMI International Corporation
- Patent Number(s):
- US 4477315
- OSTI ID:
- 5963455
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
AMMONIUM COMPOUNDS
CHEMICAL COMPOSITION
CHROMIUM
DEPOSITION
ELECTRODEPOSITION
ELECTROLYSIS
ELECTROLYTES
ELECTROPLATING
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
LYSIS
METALS
PLATING
REDUCING AGENTS
SURFACE COATING
TRANSITION ELEMENTS
VALENCE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
AMMONIUM COMPOUNDS
CHEMICAL COMPOSITION
CHROMIUM
DEPOSITION
ELECTRODEPOSITION
ELECTROLYSIS
ELECTROLYTES
ELECTROPLATING
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
LYSIS
METALS
PLATING
REDUCING AGENTS
SURFACE COATING
TRANSITION ELEMENTS
VALENCE