Dictionary > Severinghaus electrode

Severinghaus electrode

Severinghaus electrode –>
carbon dioxide electrode
A glass electrode in a film of bicarbonate solution covered by a thin plastic membrane permeable to carbon dioxide but impermeable to water and electrolytes; the carbon dioxide pressure of a gas or liquid sample quickly equilibrates through the membrane and is measured in terms of the resulting pH of the bicarbonate solution, as sensed by the glass electrode; commonly used to analyze arterial blood samples.
Synonym: severinghaus electrode.


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