Multiple choice

Carbon dioxide measuring electrode is

  1. The saturated calomel electrode

  2. The Severinghaus electrode

  3. A silver chloride electrode

  4. The standard hydrogen electrode
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Severinghaus electrode is an electrode that measures carbon dioxide. It utilizes a CO2-sensitive glass electrode in a surrounding film of bicarbonate solution covered by a thin plastic carbon dioxide permeable membrane, but impermeable to water and electrolytic solutes.

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