Gas detection with three-component membrane and sensor using sai

Details Gas detection with three-component membrane and sensor using sai Gas detection with three-component membrane and sensor using sai

1985-07-10

1987-04-28

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204424, 204426, 204427, G01N 2758

Patent

active

046612114

ABSTRACT:
Apparatus and method for detecting and measuring hydrogen and gaseous compounds capable of dissociating into or combining with hydrogen ions using a solid electrolyte concentration cell. A novel solid electrolyte membrane is used which comprises a three-component blend prepared by admixing an organic polymer or copolymer, such as poly(vinyl alcohol), with an inorganic compound, such as a phosphoric acid, and an organic compound selected from a group of polymers and copolymers having monomer units containing nitrogen, oxygen, or sulfur atoms, such as poly(vinyl pyrrolidone), in a mutually miscible solvent. A reference gas or a solid reference substance is used. For increased strength, a membrane may be composited with or attached to a porous support.

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