No passwords, No popups, No cost, No AI:
we earn from 'affiliate link' purchases, making the site possible

Home /
T.O.C.
Fun
FAQs
Good
Books
Ref.
Libr.
Adver-
tise
Help
Wanted
Current
Q&A's
Site 🔍
Search
ted_yosem
Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
finishing.com -- The Home Page of the Finishing Industry

  The authoritative public forum
  for Metal Finishing since 1989
  mfhotline


  -----

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 Robinson
hobbies - Silchester, Reading, UK
2003



Immersion copper for zinc:
copper sulphate this on eBay or Amazon [affil links] 30 gm
tartaric acid this on eBay or Amazon [affil links] 50 gm
ammonia this on eBay or Amazon [affil links] 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!

Goran Budija
- Zagreb,Croatia
2003




(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories:

Finishing
Jobshops
Capital
Equipment
Chemicals &
Consumables
Consult'g,
& Software


About/Contact  -  Privacy Policy  -  ©1995-2024 finishing.com, Pine Beach, New Jersey, USA  -  about "affil links"