Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Harvey White <madyn@...> wrote:
>
> On Mon, 22 Mar 2010 14:35:42 -0400, you wrote:
> 
> >As I understand it, the H2O2 is used to provide oxygen to the HCl, 
> >but using 3% peroxide slows it down because of dilution of the 
> >HCl.  Has anyone tried just bubbling some oxygen through the HCl? Or 
> >is this just too dangerous to contemplate?? Thought I'd ask before 
> >trying. <smile>
> 
> Just bubble air.  IIRC, it will convert to CUCL soon enough.  That
> will require air to work.
> 
> Harvey
> 
> >
> >Mark
> >
> >
>
You have to get enough copper in it first, then air will work.