How tube-based thermal desorption can be used to monitor chemical warfare agents at ultra-trace levels
LCGC: The Column, April 2022
Chemical warfare agents (CWAs) and their respective simulants were analyzed using standard tubes and depot area air monitoring systems (DAAMS) tubes. The tubes were desorbed using standard- or DAAMS‑configured automated thermal desorbers, respectively, and analysis was performed using gas chromatography–mass spectrometry (GC–MS) or GC–MS–flame photometric detection (FPD). Two recent TD innovations were evaluated—enhanced internal standard addition and multi-tube trap stacking—for monitoring CWAs at ultratrace levels.