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Subject: Re: [Homebrew_PCBs] Blue CuCl etchant...

From: "Herbert E. Plett" <cachureos@...>
Date: 2006-05-03

--- William Kroyer <william.kroyer@...> wrote:

...
> Where CuCl2 is supposed to be bright green, and CuCl is brown muddy
> stuff.
>
blue points to contamination with sulphate (sulfuric acid?)

...
> As I have stated I've just started reading about this myself and am by no
> means a chemistry major. But if the above listed reactions prove to hold
> true then CuCl2 can indeed be salvaged and reused.
yes, it's a sort of continuous process.
sorry, I misread a previous post :( (should listen more-talk less)



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