Use of fluid retarding ion conducting material

Details Use of fluid retarding ion conducting material Use of fluid retarding ion conducting material

1978-12-08

1981-03-24

Tokar, Michael J.

Electricity: measuring and testing

Determining nonelectric properties by measuring electric...

Erosion

324453, 324466, G01N 2700

Patent

active

042583160

ABSTRACT:
An improved particle sensing transducer apparatus and method for studying the physical properties of particles suspended in an electrolyte solution. The transducer apparatus includes a first chamber, at least a portion of which contains a quantity of the electrolyte solution with a first electrode disposed therein. A second chamber is provided, at least a portion of which contains a quantity of the electrolyte solution with a second electrode disposed therein. The transducer further includes an orifice for establishing a constricted electrical path by providing a passageway for a sample flow of electrolyte solution containing the particles between the two chambers. The improvement comprises a fluid retarding, ion conducting material, such as a gel, frit or membrane, interposed between the sample flow and at least one of the electrodes so as to pass an ionic current while retarding the electrolyte flow from the electrode.

REFERENCES:
patent: 2382734 (1945-08-01), Marks
patent: 3131348 (1964-04-01), Taylor et al.
patent: 3159783 (1964-12-01), Sparnaay
patent: 3258683 (1966-06-01), Lawrence
patent: 3440525 (1969-04-01), Cardeiro

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