Fluoride ion sensitive materials

Details Fluoride ion sensitive materials Fluoride ion sensitive materials

1990-05-07

1992-01-21

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

419 31, 419 48, B22F 316

Patent

active

050825402

ABSTRACT:
A fluoride ion sensitive material suitable for use as the active component in a fluoride ion sensitive electrode comprises a sintered mixture comprising of up to 99.9 molar % of Lanthanum trifluoride and from 0.1 to 20 molar % Calcium difluoride formed from a body that has been pressed at 10.sup.7 Pa or more and then sintered in a inert atmosphere at 900.degree. C. or more.

REFERENCES:
patent: 3431182 (1969-03-01), Frant
patent: 4500406 (1985-02-01), Weyand et al.
patent: 4591482 (1986-05-01), Nyce
patent: 4676949 (1987-06-01), Miyashita et al.
patent: 4761262 (1988-08-01), Ogata et al.
Frederick A. Lowenheim, Electroplating, 1978, pp. 93-98.

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