Electricity: measuring and testing – Electrolyte properties – Using a ph determining device
Patent
1994-02-02
1996-03-26
Regan, Maura K.
Electricity: measuring and testing
Electrolyte properties
Using a ph determining device
204406, G01N 27416
Patent
active
055023886
ABSTRACT:
In the method of measuring the pH value of a test solution with glass-electrode measuring cells and of simultaneously calibrating the measuring cells, the potentials occurring at the pH glass electrode and the reference electrode are processed in a pH meter with temperature compensation and measuring-cell slope derivation. The potentials from a reference electrode (4) and two pH glass electrodes (2, 3) having different internal reference solutions (6, 7) are processed in a first (8) and a second pH meter (9). The measuring-cell slope is derived from the processed potential and, together with the slope, the measured value is derived simultaneously.
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Hoechst Aktiengesellschaft
Regan Maura K.
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