Choosing a suitable pH electrode is crucial for obtaining stable and reliable pH values. In daily experiments, if the measured values fluctuate continuously or show serious deviations, in addition to the electrode sensitive membrane being covered by pollutants and the reference end being blocked, the current pH electrode structure, reference material, and filling liquid type may not be suitable for the measured sample.
Overseas, pH electrodes are classified into various types for different applications. Whether it is viscous samples, low ion samples, or semi-solid samples, there are professional pH electrodes available for selection. The following table describes the application areas and selection table of the original pH electrodes provided by Pantech Instruments in the UK. Please refer to it.

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In the table: check marks indicate applicable, asterisks indicate available

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