world gathers for metal finishing
Q&As since 1989
-----
Bronze patination of art nouveau figurine
I have an art nouveau spelter figurine c.1900 which I believe originally had a bronze patina. This has been removed at some time revealing the grey colour spelter. Can anyone advise me how to restore this antique to its original finish.
Sue Robinsonhobbies - Silchester, Reading, UK
2003
Immersion copper for zinc:
copper sulphate [on
eBay or
Amazon]30 gm
tartaric acid
[on
eBay or
Amazon] 50 gm
ammonia
[on
eBay or
Amazon] 25 % 50 ccm
water 1 lit dissolve copper sulphate in water,add acid,add ammonia.
Immediately after plating rinse well.Must be waxed or lacquered!
- Zagreb,Croatia
2003
Q, A, or Comment on THIS thread -or- Start a NEW Thread