Published 12/2/2011

Plating: Trivalent Chromium Reduction

Reader has question on trying to reduce the trivalent chrome in a hexavalent chrome tank.
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Arthur S. Kushner

Consultant

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Q. I am trying to reduce the trivalent chrome in a hexavalent chrome tank. There was a method described in one of the directories a few years ago that I used, and it worked, but now I can't find the book it was in. I used copper rods hung in the tank, but, if I remember correctly, the length and placement of the rods was critical, as was the amount of amps used. A.R.K.

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