All solid state electrode system

Details All solid state electrode system All solid state electrode system

1980-05-12

1982-07-06

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

204195F, 324438, G01N 2730

Patent

active

043381758

ABSTRACT:
A cell body having a pair of electrodes insulated from each other and adapted for direct immersion and use in commercial, laboratory, or industrial fluids or process streams, the cell being usable at temperatures below freezing and above the boiling point of water. The cell includes an insulated ultra pure antimony electrode and an insulated electrode of noble metal, the noble metal of the one electrode being immersed in the process stream as is the pure antimony electrode. The cell provides a self-contained solid state unit with the two electrodes adapted to measure pH in fluids or process streams containing solid mineral or ore particles, in acid, neutral or basic solutions of a wide range of temperatures and pressures, including vacuum applications and this system requires no external or internal reference or standard electrodes. The self-contained all solid-state electrode system is connected directly to the proper electronic circuitry, either nearby or remote to produce a signal or display pH or its equivalent. The pure antimony electrode and its insulation extend into the process stream a further distance than does the noble metal electrode, and the insulation for the noble metal electrode extends beyond the noble metal end thereof.

REFERENCES:
patent: 254751 (1882-03-01), White et al.
patent: 3102085 (1963-08-01), Edwards et al.
patent: 3103481 (1963-09-01), Robinson
patent: 3223597 (1965-12-01), Hersch
patent: 3258682 (1966-06-01), Maurer
patent: 4090925 (1978-05-01), Jungman
patent: 4101403 (1978-07-01), Kita et al.
patent: 4119498 (1978-10-01), Edwall et al.

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