Device for continuously monitoring the density of atmospheric so

Details Device for continuously monitoring the density of atmospheric so Device for continuously monitoring the density of atmospheric so

1984-03-09

1986-07-15

Levy, Stewart J.

Electricity: measuring and testing

Electrolyte properties

Using a conductivity determining device

73 28, 7386321, 204409, G01N 2708, G01N 2728

Patent

active

046008888

ABSTRACT:
A device for continuously monitoring variations of the density of sodium ions borne by atmospheric air. A water tank is provided having a fixed volume with a top thereof opened to the atmosphere. Pure water, having a resistivity of at least 15 M.OMEGA..multidot.cm is continuously supplied into the tank and extracted therefrom at the same rate. The conductivity or resistivity of the extracted water is measured to determine the sodium ion concentration in the air. For small densities, a sodium ion electrode meter can be employed for measuring the sodium ion density.

REFERENCES:
patent: 2758079 (1956-08-01), Eckfeldt
patent: 3267361 (1966-08-01), Maddox
patent: 3493857 (1970-02-01), Silverman
patent: 3751967 (1973-08-01), Fick et al.
patent: 4083766 (1978-04-01), Landon et al.

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