On Apr 11, 2005 1:55 PM, Don Spence <dkspence@telus.net> wrote:
> My brain has a gap where the name is stored but in Chem lab we used
> little strips of paper that you dipped in the solution. It changed
> colour relative to pH. You then compare to a standard colour chart.
> > pH meters for around the shop
> >
>

Don,

This is the litmus test of whether your memory is working or not. If
you can figure out the name of that funny colored paper and why I
spell color w/o a U, then you aren't senile yet after all.

--
BenT