Homebrew PCBs

It's actually the HCl (hydrochloric acid) which combines with the
copper to form CuCl2 + H.  This is why it's not a good idea to etch on
a stove -- hydrogen gas.

This explains the reaction (you'll need powerpoint):
http://www.utep.edu/green/chem2.ppt


--- In Homebrew_PCBs@yahoogroups.com, "caveteursus <j.walton@a...>"
<j.walton@a...> wrote:
> here's a link from QSL NET
> 
> http://www.qsl.net/iz7ath/web/02_brew/14_howto/02_clor/