Air Monitoring: New Advances in Sampling and Detection

Table 9

Sampling and analytical conditions.

TD conditions	GC conditions	TOF MS conditions
Configuration: TD-100 for automated tube desorption (Markes International Ltd); Flow path temperature: 180°C; Cold trap: air toxics analyser type trap; Trapping temperature: 25°C; Cold trap desorption: 300°C for 3 min (10 : 1 split); Trap heating rate: 40°C/s	Column: 60 m × 0.32 mm × 1.8 μm, 624 type phase; Oven: 35°C (5 min), 5°C/min to 230°C (0 min); Constant flow: 1.7 mL/min at 35°C	Configuration: BenchTOF-dx (ALMSCO International Ltd, UK); Ion source heating: 240°C; Transfer line temperature: 240°C; Acquisition rate: 2 data points/s, (5000 spectra/data point); Mass range: m/z 10–500

Sampling: 50 mL sample taken onto a dual-bed sorbent tube using one pull of the piston pump set at 50 mL per pull.