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

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2006-05-03

On Wed, 03 May 2006 10:24:26 +0200, Andrew <andrewm1973@...> wrote:

> Same way you do with an eye dropper.
>
>
> Known volume of CuCl etchant in water
>
>
> Known molarity base to mix in with it till the
>
> solution start to precipitate.
>
>
> Just that with a syringe you dont need to keep count


I've seen a automatic titration tool, well, semi-automatic, that was very
similar to this, also with something like a syringe needle for a dispenser.

I see what you mean, should work just the same as the drop counting.
may try next time, but the base standard is in a eyedropper bottle
already, so ;-)

ST