Which of the following is used as a source in simple infrared analyzer for gas analysis?
A. Tungsten filament lamp
B. Nernst glower
C. Hot-wire spiral
D. Mercury arc lamp
Answer:C
Which of the following is used as a source in simple infrared analyzer for gas analysis?
A. Tungsten filament lamp B. Nernst glower C. Hot-wire spiral D. Mercury arc lamp
Explanation: Hot-wire spiral is used as a source in simple infrared analyzer for gas analysis. Two sources are used.