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

previous by date index next by date
previous in topic topic list next in topic

Subject: Re: HCl Etchant Question

From: "Bip's" <louijp@...>
Date: 2010-03-22

Has anyone tried just bubbling with O3 (ozone) ?
That might be a good alternative to too diluted H2O2 as ozone is a good oxidizer if I recall right.

$0.02

Jean-Paul

--- In Homebrew_PCBs@yahoogroups.com, DJ Delorie <dj@...> wrote:
>
> It's not oxyGEN you need, it's an oxiDIZER you need. Bubbling oxygen
> through the solution can re-oxidize the chemicals that are there (such
> as with CuCl etchant), but oxygen alone isn't enough to work with plain HCl.
>