1.

Non-dispersive infrared analyzer depends on the characteristic absorption of the CO molecule at a wavelength of __________(a) 5.4 µm(b) 4.6 µm(c) 8.9 µm(d) 10.8 µmI got this question during an internship interview.My doubt is from Estimation of Carbon Monoxide topic in division Pollution Monitoring Instruments of Analytical Instrumentation

Answer»

The correct choice is (b) 4.6 µm

The explanation is: Non-dispersive INFRARED analyzer depends on the characteristic ABSORPTION of the CO MOLECULE at a WAVELENGTH of 4.6 µm.



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