Letter 11071

Coloration 

When activating the Chromium, have you found it to take on a "reddish" color and then re-oxidize back to it's normal silverish/blackish coloration when exposed to air?

John Lenore
- Rochester Hills, MI, USA

What chemical solution/process are you using for activating chromium, and why are you activating a chromium surface? I remember getting a dark color when stripping chromium from nickel, but I never tried to activate the chrome.

Tom Pullizzi Platronica.com Falls Township, PA

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