Table 2.

Analytical conditions for ATD/GC-MS.

Desorption instrument	Turbomax ATD 650, Perkin Elmer
Primary desorption	300 °C, 25 min, 50 mL/min, inlet split 5 mL/min
Secondary desorption	5 °C → 40 °C/min → 300 °C, 10 mL/min, outlet split 9 mL/min
Injection ratio	9%
Gas chromatograph/mass spectrometer	HP6890/HP 5973 N, Agilent Technologies
Column	HP-1 (60 m × 0.25 mm × 1 μm)
Detection	Scan mode 33–550 m/z
Column temperature	40 °C (4 min) → 10 °C/min → 280 °C (25 min)