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Why PH Electrode Of Ph Tester Need To Soak

- Mar 02, 2018 -

Why pH electrode of ph tester need to soak? How to properly soak? 

The pH electrode of ph meter must be soaked before use because the pH bulb is a special type of glass film that has a thin layer of hydrated gel on the surface of the glass film that responds well to H + ions in solution only under fully wetted conditions. 

At the same time, the glass electrode is soaked, can greatly reduce the asymmetric potential and tend to be stable.

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