Using the TT24-7 with Twin Electrically-Cooled Focusing Traps for Continuous Monitoring of Trace Level Toxic Chemicals in Air
7 Aug 2014

A new transportable thermal desorption system (TT24-7) has been developed by Markes International Ltd, which enables continuous online sampling and pre-concentration of airborne chemical warfare agents. The enriched vapor sample is subsequently analyzed using GC, GC/MS, or direct MS technology. This application note describes an evaluation of TT24-7 performance for trace level agents with both off-line and near real-time operation discussed.

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