Hobbyists & Industry luminaries alike learn on every visit
(we earn from 'affiliate link' purchases)

Curated with aloha by
Ted Mooney, P.E. RET

finishing.com -- The Home Page of the Finishing Industry

  The authoritative public forum
  for Metal Finishing 1989-2025

-----

Cyanide copper brighteners

Finishing.com is made possible by ...
this text gets replaced with bannerText

Q. Hello...

I am a new electroplater. Also I am a chemist. So I need some information about cyanide copper brighteners. What do I use (which chemicals) for more bright plating ? Please, don't say me: "choose what do you want". I LOOK FORWARD TO YOUR ANSWERS.

Sincerely...

Alaattin Tuna
- Turkey
2003

A. Past history of brightening cyanide copper deposits includes the use of tartrates (Rochelle Salts) ⇦ this on eBay or Amazon [affil links] as well as the additions of selenium and arsenic compounds. There are also a variety of proprietary materials available that use organic compounds or a combination of metallic and organic compounds

Gene Packman
process supplier - Great Neck, New York

"The Properties of Electrodeposited Metals and Alloys"
by William Safranek

on eBay or

AbeBooks

or Amazon

(affil links)

A. Hi, Alaattin. Safranek's "The Properties of Electrodeposited Metals and Alloys" ⇨
recognizes not only Rochelle Salts, but a proprietary selenium-based material which acts as a brightener when applied with periodic reverse current. It does not recognize any other brighteners for cyanide copper baths.

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

[editor appended this entry to this thread which already addresses it in lieu of spawning a duplicative thread]
Q. Sir, I am a new acid copper brightener consumer so I want the brightener and leveler which is used in it. Please give me a guideline which brightener and leveler must be used.

Thank you.

FAIZAN AHSAAN
TRADERS - Pakistan
March 7, 2012

(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: