Sensor for determining the course of concentration of an adsorbe

Details Sensor for determining the course of concentration of an adsorbe Sensor for determining the course of concentration of an adsorbe

1994-11-04

1996-08-13

Wieder, Kenneth A.

Electricity: measuring and testing

Electrolyte properties

Using a conductivity determining device

324439, 324722, 324 711, G01N 2707, G01N 2726

Patent

active

055460046

ABSTRACT:
A sensor determines a course of concentration of an adsorbent substance, such as ammonia NH.sub.3, diffusing out of a flow medium through a surface of a sensor material into the sensor material, as a function of a distance from the surface. Individual pairs of contacts are connected to supply leads and are disposed in the sensor material and optionally on the surface of the sensor material, for determining electrical conductivity of the sensor material between the contacts of the individual pairs of contacts.

REFERENCES:
patent: 3714555 (1973-01-01), Greer
patent: 4553087 (1985-11-01), Kuhn et al.
patent: 4808931 (1989-02-01), Ling
patent: 5187096 (1993-02-01), Giaever et al.
patent: 5353628 (1994-10-01), Bellows
patent: 5483164 (1996-01-01), Moss et al.

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