Homebrew PCBs

----- Original Message ----- 
From: "DJ Delorie" <dj@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Tuesday, May 20, 2008 6:03 AM
Subject: Re: [Homebrew_PCBs] H2O2 + muriatic acid etchant?


>
> "Leon" <leon355@...> writes:
>> You can regenerate FeCl3 with H2O2 and HCl. The copper content will
>> become CuCl2, so you end up with both etchants.
>
> Interesting.  Where does the iron go?  Back to solution?

It goes back into the solution. The CuCl2 will eventually replace it, as he 
iron will gradually get removed when the boards are taken out and washed. 
It'll take a long time, though.

Leon