Table 1. GC Specifications.

operating variable	specification
column	Agilent J&W HP-5(30 m × 0.32 mm × 0.25 μm)
detector	flame ionization detector (FID)
injector temperature	548.2 K
oven temperature profile	323.2–523.2 K at 20 K·min–1
detector temperature	473.2 K
carrier gas	helium
gas flow rate	2 mL·min–1
injection volume	1 μL
retention time repeatability	0.003
method verification (max RMSD)	0.005
method verification (statistical uncertainty)	0.004