Which of the following materials represents the appropriate calibrator used to calibrate the pCO2 electrode?

Question

Quizplus · Accepted Answer

CB) A gas cylinder containing a known amount of carbon dioxide is used to calibrate pCO2 electrodes by providing a precise reference concentration of CO2 for the electrode to measure against. C) A buffer solution containing a known amount of carbon dioxide and hydrogen ions can also be used for calibration, as it provides a stable environment with a known CO2 concentration and pH, which is important for the accurate functioning of the pCO2 electrode.

Which of the Following Materials Represents the Appropriate Calibrator Used