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Cyanide concentrations in zinc-CN plating?




I'm a student at the University of MN, investigating waste minimization alternatives in the metal plating industry. My question is: What is the typical range of cyanide concentrations (or cyanide solution concentrations) in zinc cyanide plating baths? Thanks for your help.

Janelle Zimba
2000


2000

Per the Metal Finishing Guidebook:

But the direction of movement has been downward such that the traditional low cyanide is probably today's actual mid range.

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




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