Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1995-12-27
1998-03-31
Alexander, Lyle A.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
422 86, 436134, 436166, G01N 2175
Patent
active
057335052
ABSTRACT:
A carbon monoxide (CO) detection system is connected into an anesthesia gas delivery system. The system comprises, among other things, a CO sensor unit containing an inexpensive, replaceable sensor that detects the presence of CO in anesthesia, an in-line adapter that exposes the detection unit to the main stream of the gas and can be placed in a variety of different locations along the gas stream and a side-stream adapter for the removal and analysis of gas stream samples using a CO sensor unit outside of the main gas stream. There is also apparatus capable of measuring the response of the sensors to CO exposure, and data acquisition and a data processing unit for storing, processing and displaying the CO sensor response data. In a preferred embodiment there is a carbon monoxide detection system comprising a detection unit including a sensor unit and a measurement unit. The sensor unit detects carbon monoxide based on the change or rate of change of the optical characteristics of the sensor unit. In a specific embodiment a non-regenerative carbon monoxide sensor comprises a mixture of palladium chloride, silicomolybdic acid, and sulfurous acid. The non-regenerating sensor comprises an antioxidant, preferably sulfite ion.
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Goldstein Mark K.
Helfman William B.
Oum Michelle S.
Taniguchi Vernon T.
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