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Electrical pH measurement system has either an extra pH-electrode or an extra reference electrode so that measurements can be checked against each other to determine if calibration is necessary
Electrical pH measurement system has either an extra pH-electrode or an extra reference electrode so that measurements can be checked against each other to determine if calibration is necessary
pH measurement system in which a multi-point voltage measurement is carried out between a pH-electrode and at least two reference electrodes or between a reference electrode and at least two pH-electrodes.
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