Method of stabilizing a carbon dioxide sensor

Details Method of stabilizing a carbon dioxide sensor Method of stabilizing a carbon dioxide sensor

1992-08-21

1993-04-20

Housel, James C.

Chemistry: analytical and immunological testing

Composition for standardization, calibration, simulation,...

436 11, 436164, 436172, 73 1R, 73 2321, 204463, 204415, 128635, G01N 3100, G01C 1738, A61B 505

Patent

active

052042650

ABSTRACT:
The method of stabilizing a carbon dioxide sensor involves treatment of the sensor to reduce the instability that may occur in carbon dioxide sensors when such sensors are exposed to either very low or very high carbon dioxide levels for extended periods of time. This is accomplished by storing the sensor in an aqueous solution containing at least 2 weight percent carbon dioxide, for from several days to several months. The solution may be prepared in advance, or may be dynamically infused with carbon dioxide to provide the desired carbon dioxide content.

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Wolfbeis, et al., "Fiber-Optic Fluorosensor for Oxygen and Carbon Dioxide" (Anal. Chem. 1988).
Munkholm, et al., "A Fiber-Optic Sensor for CO.sub.2 Measurement" (vol. 35, 1988).
Published application PB83-189738 (Vurek) "Fiber-Optic Carbon Dioxide Partial Pressure Sensor" Mar. 1, 1983.

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