Question

Which of the following is not an ideal characteristic of a detector used in gas chromatography?

(a) Linear response to the solutes

(b) Short response time

(c) High reliability

(d) Sensitive to the changes in the flow rate of a carrier gas

I had been asked this question during an interview.

I'm obligated to ask this question of Detection System of Gas Chromatography in portion Chromatography of Analytical Instrumentation

Answer 1

Right choice is (d) Sensitive to the changes in the flow rate of a carrier gas

To elaborate: The detector used in gas chromatography must be insensitive to the changes in flow rate of carrier gas. There are many detectors used in gas chromatography.