Craig Lee wrote:
>
> Where can I get H202?
>
> This process would sure beat the high prices for etchant charged at
> the local electronic's store.
>
> I've been using ammonium persulfate crystals, but I do notice that they
> don't work as well as the Iron solution.
>

I heard that ammonium persulfate workes best at 600 Celsius - but
I never tryed because the HCL-H2O2-H2O mixture I use fitts my
needs at 200 Celsius - means no need for additional heating.

Kind regards

        Stefan