[dorkbotpdx-blabber] printed circuit board chemistry

[Brian Richardson]

I think this is what Don was referring to last Sunday..

http://www.ladyada.net/rant/2009/01/the-chemistry-of-home-etched-pcbs/

He comments on the bottom about Muriatic Acid and Peroxide..

On Tue, Feb 24, 2009 at 1:07 PM, Daniel Johnson <teknotus at gmail.com> wrote:

> Hi all,
>
> I've heard that a lot of people want to recover copper from the
> process of making home made circuit boards.  A chemist friend of mine
> thinks they can help, but needs to know some more information about
> what process people are using.  She seems to be especially versed in
> hazardous waste disposal.
>
> What are dorkbotters using for making boards, and what do you have
> problems with?
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