"pH Tests"
Economy Gel-Filled Electrode
Economical choice for most student applications. Rugged epoxy body with permanently gelled KCl electrolyte.
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Cobalt Chloride Paper
Use this test paper to detect the presence of water or to perform qualitative tests of relative humidity. Size of each sheet: 20×25 cm. Package of 12.
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Hydrion A and B Dispenser
Use this paper to cover both the A range (2-4-6-8-10) and the B range (1-3-5-7-9-11) of the pH scale.
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Mikro Hydrion Tester
Test the pH scale from 0-11 in 1.0 units and from 12-14 in 0.5 units.
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Insta-Check pH Papers
The Ultimate in Wide Range, General Purpose pH Papers.
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Hydrion Test Paper Strips
Use Hydrion A to test in the range of 2-4-6-8-10 and Hydrion B for the range of 1-3-5-7-9-11. Both strips let you test the pH scale in 2.0 units.
Includes: color chart.
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Wide Range pH Test Strips
Ideal for classroom use, this general purpose pH paper provides a distinct color match for each pH unit from 1 to 14.