pH and CO.sub.2 sensing device and method of making the same
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United States of America Patent
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Aug 20, 1985
Grant Date -
N/A
app pub date -
Apr 18, 1983
filing date -
Apr 18, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A transcutaneous blood carbon dioxide sensor together with a method for making such a sensor and for making electrodes used in the sensor. The sensor comprises a palladium/palladium oxide junction type electrode and a silver/silver halide junction type electrode applied to an electrically nonconductive substrate, partially coated with an insulative dielectric and partially coated with a polymeric membrane material including a bound electrolyte, the polymeric membrane material being permeable to carbon dioxide. The Pd/PD0 electrode was made cathodic prior to terminating the electro-oxidizing conditions.
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