Gas chromatography	Carrier gas: UHP helium (99.995%). Nitrogen gas can also be used
Mass selective detector	Electron impact ionization −70 eV. Quadrupole temperature 180 °C. Source temperature 250 °C
Scan parameters	Range 50–1,000 m/z. Scan speed 562 u/s. Frequency 1.6 scans/s. Cycle time 630.57 ms. Step size 0.1 m/z. Solvent delay 9 min
Injection and chromatography	The inlet is run in split mode (10:1) at 250 °C. Septum purge flow: 3 mL/min at 8.2 psi.Column flow of 1.0 mL/min
Oven temperatures	60 °C for 1 min. Ramp from 60 °C to 320 °C (10 °C/min). End: hold at 320 °C for 10 min