Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

Now there's your problem. You don't have CuCl, you have HCl and H2O2.
The one will keep, the other won't.

You can make CuCl from HCL and H2O2 simply by etching copper, but
until you get there you have to add H2O2 each time you want to etch.

ST

On Mon, Jan 5, 2009 at 4:06 AM, Wayne Topa <linuxone@...> wrote:

>
> I found a bunch of Curric Chloride (HCL+H2O2) links on Answers.com
> that say it does keep.