Solid state electrode for the determination of sodium ion concen

Chemistry: electrical and wave energy – Apparatus – Electrolytic

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204422, 204423, G01M 2726

Patent

active

051222540

ABSTRACT:
A solid state electrode for the determination of sodium ion concentrations in solutions, with a solid state electrolyte having a high conductivity for sodium ions being provided as the sodium sensitive membrane. The solid state electrode and a reference electrode forms a sensor.
The advantages of the sensor of invention are, in particular, high selectivity combined with economical production in thick-film technology. The sensor may be constructed in cylindridcal form.

REFERENCES:
patent: 4632732 (1986-12-01), Fog et al.
D. J. Fray et al., J. Chem. Thermodynamics, 5, 7, 485-491, (1975).
Paul Hagenmuller et al., "Solid Electrolytes", pp. 406-407, (1978).
P. Fabry et al., Sensors and Actuators, "Nasicon, an Ionic Conductor for Solid-State Na+ Selective Electrode", Band 15, Nr. 1, pp. 33-49 (Sep. 1988).

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