Measuring and testing – Gas content of a liquid or a solid
Patent
1995-04-11
1997-04-15
Chilcot, Richard
Measuring and testing
Gas content of a liquid or a solid
73 191, 73 3105, G01N 700, G01N 33497
Patent
active
056211619
ABSTRACT:
An apparatus and method for determining the presence of dissolved gas in a fluid under pressure. A test cell capable of containing the pressurized fluid has a test instrument disposed therein. The test instrument has two platinum leads connected by a sensor element. The platinum leads are connected to an external source of electrical power. A thermocouple is mounted in the test instrument. The apparatus is calibrated using degassed, demineralized fluid at a known pressure by applying power to the platinum leads in a stepwise manner and recording the resistance of the sensor element versus applied power. The test cell is connected to fluid suspected of having gas dissolved therein and power is applied in a stepwise manner to the platinum leads. The power applied versus the resistance of the sensor element is recorded. A comparison between the power versus resistance for the degassed fluid and the suspect fluid discloses the presence of dissolved gas.
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Chilcot Richard
Hall William D.
Noori Max H.
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