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Re: [Homebrew_PCBs] CuCl pH testing

2007-12-10 by DJ Delorie

lists <stuart.winsor.lists@...> writes:
> I was wondering about that. With a strongly coloured solution it
> would be difficult to see the colour of most indicators.

http://members.optusnet.com.au/%7Eeseychell/PCB/etching_CuCl/titraion_images.html

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