Chemistry: electrical and wave energy – Processes and products
Patent
1979-07-03
1980-08-12
Kaplan, G. L.
Chemistry: electrical and wave energy
Processes and products
106 397, 204195G, 204195S, G01N 2758
Patent
active
042171792
ABSTRACT:
Apparatus for determining the lithium content of a substance by monitoring the e.m.f. generated between the substance and a reference material containing lithium, the substance and reference being separated from one another by a solid electrolyte which is electrically conductive to lithium ions, comprises a probe adapted to contain the reference material and to separate the reference material from the substance when the probe is introduced thereto, and in which the solid electrolyte of the probe comprises .beta.-spodumene; a preferred tubular probe form of said apparatus being produced by a process in which a pellet of .beta.-spodumene is fabricated in situ in the end of a tube of refractory material. In addition, a process for the determination of lithium present in a substance comprises determining the e.m.f. generated between the substance and a reference material containing lithium, in which the reference material and substance are separated by a solid electrolyte comprising .beta.-spodumene.
REFERENCES:
patent: 3143488 (1964-08-01), Arthur et al.
patent: 3862016 (1975-01-01), Arthur et al.
Kaplan G. L.
National Research Development Corporation
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