Air Monitoring: New Advances in Sampling and Detection

Table 1

Sampling and analytical conditions.

TD conditions	GC conditions	MS conditions
Configuration: TD-100 for automated tube desorption (Markes International Ltd); Flow path temperature: 200°C; Focusing trap: air toxics analyser type trap; Trapping temperature: 25°C; Cold trap desorption: 320°C for 10 min (20 : 1 split); Trap heating rate: 40°C/s	Column: 60 m × 0.32 mm × 1.0 μm, 100% dimethylpolysiloxane; Oven: 35°C (25 min), 5°C/min to 180°C, then 15°C/min to 320°C (12 min); Constant pressure: 10 psi	Source temperature: 230°C; Quadrupole temperature: 150°C; Transfer line temperature: 280°C; Scan range: m/z 10–400

Sampling: 1 μL of a 100 ng/μL standard loaded onto a multi-bed sorbent tube (Tenax TA, Carbograph 1TD, Carboxen 1003).