On Apr 11, 2005 3:20 PM, Alistair Bell <albell@uvic.ca> wrote: > things have progressed a long way since litmus :) > > you can get pH indicator papers in a range of ranges :) and > resolutions. Scientific supply houses would be the place to start > looking. I have 3 sets in my hand right now: > > one set, made by Macherey-Nagel, pH 4.5- 10.0 in 0.5 gradations > another set, made by EM Science, pH 6.5 - 10.0 in 0.3 gradations > lastly, also EM science, 6.5-1.0 in 0.2 gradations. > > they all have particular colour changes and charts on the packages. > > pH papers would be the cost effective solution for the occasion pH > tester. > > Alistair > Ahhhhh... but me is too ode to 'member all dis new stuffs. methinks don spence wasn't looking for some high-tetch anzer. Mike MIller, Jr. |
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