Archive of the former Yahoo!Groups mailing list: Homebrew PCBs
Subject: Ratio of Ferric Chloride to copper?
From: "RickS" <rgsparber@...>
Date: 2012-11-21
Does anyone know the ratio of needed Ferric Chloride by volume to the volume of copper being removed? I am assuming 110F for the acid and constant agitation.
Thanks in advance,
Rick Sparber