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Re: Getting started with Cupric Chloride - I think...

2009-01-26 by lcdpublishing

I followed the directions as such...

2 parts common hydrogen peroxide
1 part muriatic acid

The acid is the common type sold at hardware stores and the hydrogen peroxide was also 
the commonly available for everyday use - grocery store purchase.

 







--- In Homebrew_PCBs@yahoogroups.com, "Morris Odell" <vilgotch@...> wrote:
>
> Hi all,
> 
> I've been using FeCl3 for longer than I can remember but the solid form is 
> getting hard to find these days. I'm looking at alternatives such as CuCl2. 
> Most of the procedure looks pretty straightforward.
> 
> What concentration of H2O2 did you use? Was it the commonly available "10 
> volume" from the pharmacy or do you need something stronger?
> 
> Morris
> 
> >
> > I have been etching for a while now with ferric chloride.  Today I
> > made up a different home brew based on information found on
> > instructables.  This consists of two parts hydrogen peroxide and 1
> > part muriatic acid.  The final step was to etch some boards which will
> > eventually convert this mix to Cupric Chloride.
>

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