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pH METER: GLASS ELECTRODE TESTING SOLUTION<br />
One Probe Is pH Responsive The Other Is Reference<br />
When the two electrodes are immersed in a solution, they act as a battery. The glass electrode develops an electric charge related to the hydrogen-ion activity in the solution & the voltmeter measures the difference between the glass & reference electrodes.

Fphoto-20748803B-2RM.jpg

pH METER: GLASS ELECTRODE TESTING SOLUTION
One Probe Is pH Responsive The Other Is Reference
When the two electrodes are immersed in a solution, they act as a battery. The glass electrode develops an electric charge related to the hydrogen-ion activity in the solution & the voltmeter measures the difference between the glass & reference electrodes.

Copyright:© 1988 Richard Megna - Fundamental Photographs

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