Which of the following is not a component of the mixture present in the reference cell of Non-dispersive infrared analyzer?
A. CO
B. Nitrogen
C. Water vapour
D. Hydrogen
Answer:D
Which of the following is not a component of the mixture present in the reference cell of Non-dispersive infrared analyzer?
A. CO B. Nitrogen C. Water vapour D. Hydrogen
Explanation: The reference cell contains a fixed quantity of gases. It contains CO, nitrogen and water vapour.