Homebrew PCBs

----- Original Message ----- 
From: "DJ Delorie" <dj@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Tuesday, May 20, 2008 4:53 AM
Subject: Re: [Homebrew_PCBs] H2O2 + muriatic acid etchant?


>
> I'm working on switching from FeCl to HCl/H2O2.  I'm using Adam's site
> for reference:
> http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/index.html
>
> My reasoning is that CuCl2 can be regenerated, whereas FeCl eventually
> needs to be discarded.

You can regenerate FeCl3 with H2O2 and HCl. The copper content will become 
CuCl2, so you end up with both etchants.

Leon
--
Leon Heller
Amateur radio call-sign G1HSM
Yaesu FT-817ND and FT-857D transceivers
Suzuki SV1000S motorcycle
leon355@...
http://www.geocities.com/leon_heller