The Hydrion AB Dispenser is the most desired and popular Dispenser in use today. The color changes are sharp and follow The natural spectral changes known to most chemists.
• The Hydrion AB Dispenser consists of two rolls of Hydrion Papers. One Color Chart covers the Even (Type A) pH Range 2-4-6-8-10. The other Chart covers the Odd (Type B) pH Range 1-3-5-7-9-11. This Dispenser contains thirty feet of Paper which will enable the user to make over 200 tests.
Cat No. 150 Hydrion AB Dispenser (Double Roll), complete with Color Charts
Hydrion papers work best with buffered solutions. Unbuffered solutions should be tested with our Lo Ion Kits.