Which of the following detectors are generally used for detection in NO analysis using CO laser?
A. Photomultiplier tube
B. Photovoltaic cell
C. Liquid nitrogen cooled Ge-Au element
D. Photo emissive tube
Answer:C
Which of the following detectors are generally used for detection in NO analysis using CO laser?
A. Photomultiplier tube B. Photovoltaic cell C. Liquid nitrogen cooled Ge-Au element D. Photo emissive tube
Explanation: Liquid nitrogen cooled Ge-Au element is used detection in NO analysis using CO laser. The signal amplitude varied with the concentration of NO.