PO₂ electrodes are often polished using a coarse material such as pumice to: A) Remove blood or protein debris. B) Remove metal ions plated out on the platinum wire. C) Refresh the sensitive quartz glass membrane. D) Reduce the actual amount of O₂ reaching the electrode tip.

Question

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Polishing electrodes, especially those used in electrochemical measurements, helps remove metal ions that may have plated out on the electrode surface, such as the platinum wire, ensuring accurate and consistent readings.

PO2 Electrodes Are Often Polished Using a Coarse Material Such

PO₂ Electrodes Are Often Polished Using a Coarse Material Such