Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1987-10-09
1989-05-23
Kaplan, G. L.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
324511, 324555, 338315, G01N 2728
Patent
active
048328170
ABSTRACT:
A simple inspection device is constituted for inspection of an analyzer for measuring ionic activity by using an ionic activity measuring device provided with at least one ion selective electrode pair for generating an electrical potential corresponding to ionic activity of a predetermined ion, and a porous bridge for associating the electrodes of the ion selective electrode pair with each other, and by contacting potential difference measuring probes respectively with the electrodes of the ion selective electrode pair, to thereby measure a difference in potential between the electrodes. The simple inspection device employs a supporting member having outer dimensions approximately equal to the outer dimensions of the ionic activity measuring device, and an electrically conductive member supported on the supporting member for short-circuiting across the potential difference measuring probes when the potential difference measuring probes are contacted with the electrically conductive member.
REFERENCES:
patent: 2907672 (1959-10-01), Irland et al.
patent: 3574012 (1971-04-01), Penberg
patent: 3977840 (1976-08-01), Estep et al.
Amano Nobuhiko
Koizumi Takashi
Uekusa Tadashi
Fuji Photo Film Co. , Ltd.
Kaplan G. L.
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