mass spectrometric detector

in gas chromatography
https://doi.org/10.1351/goldbook.M03745
A @M03732@ used as a detector to give qualitative and quantitative data on the various eluted substances. The @M03749@ of the eluted compounds provides evidence beyond the @E02042@ time as to the chemical nature of the species.
Source:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2191 [Terms] [Paper]