Table 4. Analytical conditions of GC-ECD

Part	7890B
Column	AGILENT HP-5(0.32 mm × 30 m, 0.25 μm)
Injection volume	1 μL
Carrier gas flow	N2, 1.1 mL/min
Injection temp.	260°C
Detector temp.	300°C
Split mode	Split (20 : 1)
Oven temp.	Heating speed (°C/min)	Temp. (°C)	Hold time (min)
	-	180.0	2.00
	12.0	200.0	0.00
	6.0	240.0	0.00
	15.0	280.0	16.00