Colorphast pH Papers Each package contains 100 strips. We offer Universal (0- 14), Intermediate Range, and Narrow Range Papers ...
pH Papers: A series of over 20 different narrow range pH papers, each range covering approximately 1.5 pH units of the complete scale. Permits reading within 0.05 pH. Packaged 200 identical range test strips per box. Also available, DUO-TEST PH PAPER ...
CTL TEST KITS: New wastewater test kits that provide quick results. Completely portable, these self-contained kits do not require any instrumentation. Viso Eco test kits accurately test a variety of metal and non-metal ions in concentrations as low a ...