--- In
Homebrew_PCBs@yahoogroups.com, "liquias" <liquias@...> wrote:
>
> Hi,
> I got some HCl at 32% and H2O2 at 33% concentrations from our chemistry
> supply shop.
> How do I use these materials in order to etch?
> Do i need a special container in order to etch?
> Do i need an air system inside the tank?
> (What are the quantities, and in what order should i mix everything - I
> dont know much about chemistry...)?
> Any help will be woderful...
> Thanks in advance -
> Liquias.
>
http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/index.html