Table 2.

Operating parameters for gas chromatography-mass spectrometry (GC/MS) analysis.

Column	Restek Capillary Column Rtx-5MS 30 m × 0.25 mm ID × 0.25 µm
Oven Program	Start 60 °C, hold for 4.5 min; ramp 20 °C/min to 280 °C, hold for 5 min
Injector	PTV Splitless 250 °C; Splitless time 4.5 min
Carrier Gas	He, 1 mL/min constant flow
MS Transfer line temperature	270 °C
MS Detection details	70 eV (+EI); Ion source 250 °C; Mass range 50–650 amu; scan rate: 870 amu/s