A new probe for measuring electrolytic conductance

Wouter Olthuis, A. Volanschi, A. Volanschi, Johan G. Bomer, Piet Bergveld

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    A conductance cell of which the electrodes are provided with a 110 nm thick Ta2O5 insulating film is proposed and realized. The stable and very low impedance of the total oxide/solution interface largely reduces interference from redox processes. Measurement results, given as an output voltage between 10 and 600 mV as a function of the specific resistance between 0.1 and 8 k¿, are shown to be in agreement with theoretically calculated results, both at the constant current and constant voltage mode of operation.
    Original languageUndefined
    Pages (from-to)230-233
    JournalSensors and actuators. B: Chemical
    Issue number13
    Publication statusPublished - 1993


    • IR-15047
    • METIS-111944

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