Aqueous solution of monovalent gold and ammonium sulfite complex

Details Aqueous solution of monovalent gold and ammonium sulfite complex Aqueous solution of monovalent gold and ammonium sulfite complex

1978-08-08

1980-03-11

Peters, G. O.

Chemistry: electrical and wave energy

Processes and products

204 46G, 423517, 423512A, C01G 700, C25D 348

Patent

active

041927230

ABSTRACT:
Aqueous solution of monovalent gold and ammonium sulfite complex. As opposed to the corresponding alkali-gold sulfite solution, this solution is stable under slightly acidic pH conditions and can be used advantageously for preparing electrolytic baths for the plating of gold and gold alloys having a great flexibility of use and a particularly long working life. This solution is prepared, in a very economical manner, by adding ammonia to an HAuCl.sub.4 solution which results in the formation of a precipitate, then by dissolving this precipitate in an aqueous ammonium sulfite solution.

REFERENCES:
patent: 1891532 (1932-12-01), Gibson
patent: 3057789 (1962-10-01), Smith
patent: 3702271 (1965-02-01), Spreter et al.
patent: 3787463 (1974-01-01), Zuntini et al.

Affiliated with

Also associated with

Rating

Aqueous solution of monovalent gold and ammonium sulfite complex does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Aqueous solution of monovalent gold and ammonium sulfite complex, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Aqueous solution of monovalent gold and ammonium sulfite complex will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1999763