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

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

-----

Cyanide-free brass bath

I need information where I can find formula for cyanide-free brass bath. Thank you.

Axel MASSA
- Cannes, FRANCE

To my knowledge all such formulations are proprietary. But if any reader wants to refer you to a published document that would be great.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

Recipe for tartarate brass plating bath:
CuCO3-------12,9gm
ZnO---------12,4gm
KNaC4H4O6---260gm
NaOH--------120 gm
H2O---------1 lit.
2 A/dm2.pH 13,2-13,5.35-45 C.anode=brass

Goran Budija
- Cerovski vrh Croatia

(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: