NON-CYANIDE GOLD ELECTROPLATING SOLUTION
Patent Number / Registration Number: 2-2008-000352
Status of Application: Expired
Brief Description / Features of the Technology:
The non-cyanide gold solution, specifically a sulfite-based gold solution, is used for electroplating process. This is an aqueous solution which comprises solids resulting from the precipitation of trivalent gold salts solution with ammonia. The solids are being dissolved to sodium sulphite in aqueous solution to provide a gold concentration with citric acid as supporting electrolyte and ethylenediamine as an organic polyamine.
Inventors:
Maria Gracia M. Peralta
Felix Banawa
Jonathan Q. Puerto