In which of the following detectors, the carrier gas is excited by a radioactive source and the atoms of carrier gas are excited to a metastable state?
(a) Argon ionisation detector
(b) Thermionic emission detector
(c) Flame ionization detector
(d) Electron capture detector
I have been asked this question in an online quiz.
Query is from Detection System of Gas Chromatography in division Chromatography of Analytical Instrumentation