FIELD: investigating or analyzing materials.
SUBSTANCE: method comprises setting the cell composed of metallic cathode and anode into the gas to be analyzed and irradiating the cell in ultraviolet spectrum. The radiation flux knocks photoelectrons out of the surface, which is a reason of gas conductivity. The voltage applied to the electrodes induces current in the interelectrode space. When the gas composition changes, the interelectrode current also changes.
EFFECT: decreased power consumption.
2 dwg
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SU1640765A1 |
