Using the TT24-7 with Twin Electrically-Cooled Focusing Traps for Continuous Monitoring of Trace Level Toxic Chemicals in Air
6 Aug 2014A 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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TT24-7
Markes International LtdThe TT24-7 continuous air/gas monitoring system incorporates two electrically-cooled traps which operate in tandem to ensure 100% data capture. The TT24-7 thermal desorption system is a robust, transportable thermal desorption unit, convenient for installation onsite or in mobile response vehicles as well as conventional laboratories. The TT24-7 interfaces to GC(MS) or process MS technology and incorporates two electrically-cooled traps which operate in tandem to ensure 100% sampling efficiency (no dead times).