Apparatus and method for detecting a substance in a fluid medium

Details Apparatus and method for detecting a substance in a fluid medium Apparatus and method for detecting a substance in a fluid medium

1977-04-04

1980-08-05

Tokar, M.

Electricity: measuring and testing

Electrolyte properties

Using a conductivity determining device

G01N 2742

Patent

active

042164257

ABSTRACT:
An electronic apparatus and method for detecting a quantity of a predetermined substance disposed in a fluid medium. The apparatus includes a probe for contacting the fluid medium and for sensing an electrical condition, such as solution resistance, of the fluid medium caused at least in part by the substance to be detected. There is also included electronic control devices connected to the probe means for generating a signal which is proportional to the quantity of the substance to be detected. The signal is fed to some utilization means, such as a meter, for indicating the amount of substance in solution.

REFERENCES:
patent: 3272065 (1966-09-01), Jinichi et al.
patent: 3340866 (1967-09-01), Noller
patent: 3384746 (1968-05-01), Benz et al.
patent: 3534354 (1970-10-01), Galginaitis
patent: 3731297 (1973-05-01), Dunn et al.
patent: 3875032 (1975-04-01), Thompson

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