Probe assembly for an apparatus for measuring ionic activity

Details Probe assembly for an apparatus for measuring ionic activity Probe assembly for an apparatus for measuring ionic activity

1985-02-20

1987-04-07

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204416, G01N 2746

Patent

active

046558993

ABSTRACT:
A probe assembly has at least two pairs of probes and a relay for switchably connecting any one pair of the probes to a single electric impedance lowering means. When the pairs of probes are brought into contact with terminals of at least two pairs of ion-selective electrodes of an ionic activity device, the potential difference generated between each pair of said electrodes is successively transferred to a measuring means by way of the electric impedance lowering means.

REFERENCES:
patent: 3468780 (1969-09-01), Fischer
patent: 3556950 (1971-01-01), Dahms
patent: 3654113 (1972-04-01), Bochinski
patent: 4053381 (1977-10-01), Hamblen et al.
patent: 4332658 (1982-06-01), Tsuboshima
patent: 4404288 (1983-09-01), Huber
patent: 4437970 (1984-03-01), Kitajima et al.
patent: 4506226 (1985-03-01), Luce et al.
patent: 4517071 (1985-05-01), Seshimoto
Fjeldly et al, "Solid-State Non-Selective Electrodes with Integrated Electronics", J. Electrochem. Soc., May 1979, pp. 793-795.

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