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Optimized conditions for thermal desorption system.
| Primary desorption | Secondary desorption | ||
|---|---|---|---|
| Parameter | Parameter | ||
| Tube temperature | 320°C | High trap temperature | 320°C |
| Time | 10 min | Low trap temperature | −10°C |
| Desorption flow | 150 mL·min−1 | Time | 6 min |
| Inlet split flow | 23 mL·min−1 | Outlet split flow | 10 mL·min−1 |
