An Optical Oxygen Sensor and Reaction Vessel for High-Pressure Applications

We describe a simple hyperbaric chamber and optical oxygen probe (optrode), which is based on the dynamic fluorescent quenching of a ruthenium metal complex, that can be used to measure changes in oxygen concentration in either aqueous or gaseous media. Initial experiments illustrate the utility of...

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Bibliographic Details
Published in:Limnology and oceanography 1999-01, Vol.44 (1), p.189-195
Main Authors: Stokes, M. D., Somero, G. N.
Format: Article
Language:English
Subjects:
Brackish
Calibration
Earth sciences
Earth, ocean, space
Electrodes
Exact sciences and technology
Fluorescence
Freshwater
Geochemistry
Light emitting diodes
Marine
Mineralogy
Oxygen
Oxygen partial pressure
Rapid quenching
Ruthenium
Sensors
Silicates
Silicones
Water geochemistry
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Description
Summary:We describe a simple hyperbaric chamber and optical oxygen probe (optrode), which is based on the dynamic fluorescent quenching of a ruthenium metal complex, that can be used to measure changes in oxygen concentration in either aqueous or gaseous media. Initial experiments illustrate the utility of this robust form of sensor. The optrode showed a typical response time of$
ISSN:0024-3590
1939-5590
DOI:10.4319/lo.1999.44.1.0189