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Subject: Re: [Homebrew_PCBs] CuCl pH testing
From:
lists <stuart.winsor.lists@...>
Date:
2007-12-10
In article <
255096.97029.qm@...
>,
YD <
yd_br@...
> wrote:
> Your method is what works for me, except I use the
> solution itself as an indicator.
I was wondering about that. With a strongly coloured solution it would be
difficult to see the colour of most indicators.