Detection of Adulteration in Canola Oil by Using GC-IMS and Chemometric Analysis

Table 1

Experimental conditions for GC-IMS analyses.

	Parameters	Value
Automatic inject system	Headspace sampling volume	200 μL
	Incubation time	10 min
	Sample volume	2 mL
	Incubation temperature	90°C
	Injector temperature	95°C
Column	MCC	OV-5 (nonpolar)
	Column temperature	40°C
	Length of column	30 cm
	Run time	15 min
IMS	Ionization source	Tritium (6.5 KeV)
	Voltage	Positive drift
	Drift length	10 cm
	Carrier gas flow rate	15 mL min^−1 (N2 5.0)
	Drift gas flow rate	300 mL min^−1 (N2 5.0)
	Equipment temperature	45°C
	Average	32
	Electric field strength	350 V cm^−1
	Grid pulse with	100 μs
	Trigger delay	100 ms
	Sampling frequency	150 kHz
	Repetition rate	21 ms