A method of electrochemical sensing and a sensor for oxygen, halothane and nitrous oxide

A method of electrochemical sensing and a sensor for oxygen, halothane and nitrous oxide

In a method of electrochemically sensing the presence of O2, N2O and halothane in a fluid, a gold or platinum electrode and a silver electrode are exposed to the fluid through a permeable membrane. both electrodes are held at a first potential and the currents due respectively to reduction of oxygen...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ALBERY, WYNDHAM JOHN, HAHN, CLIVE EDWARD WINSTON
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:In a method of electrochemically sensing the presence of O2, N2O and halothane in a fluid, a gold or platinum electrode and a silver electrode are exposed to the fluid through a permeable membrane. both electrodes are held at a first potential and the currents due respectively to reduction of oxygen at the gold or platinum electrode and reduction of oxygen and halothane at the silver electrode are sensed, the silver electrode is held at a second potential and the current due to reduction of oxygen and halothane and nitrous oxide is sensed, and from the three currents the presence and/or concentration of any of the three gases is determined.