Ion-selective electrode device for polarographic measurement of

Details Ion-selective electrode device for polarographic measurement of Ion-selective electrode device for polarographic measurement of

1978-07-03

1981-04-21

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

G01N 2730

Patent

active

042631157

ABSTRACT:
An ion-selective electrode device for measuring oxygen concentrations comprises a noble metal reduction electrode connected to a voltage source; a reference electrode connected to said reduction electrode; an ion-selective carrier or ligand membrane disposed in front of the reduction electrode and containing a cation-selective ligand and being permeable to hydrogen ion; a closure membrane to seal the device against the outside atmosphere, the said closure membrane being permeable to oxygen and impermeable to water, and an electroyte containing the ligand cation of said ligand membrane, the said electrolyte being disposed between the said ligand membrane and said closure membrane.

REFERENCES:
patent: 3857777 (1974-12-01), Guilbault et al.
patent: 3957607 (1976-05-01), Simon et al.
The Condensed Chemical Dictionary, 7th Ed., Reinhold Book Corp., pp. V & 920.

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