Table 1. Analytical conditions of GC-
μ
ECD
Instrument
Agilent 7890A gas chromatograph equipped with μECD, USA
Column
HP-5 30 m length × 250 μm ID × 0.25 μm film thickness
Temperature
Inlet 260°C
Oven
70°C (2 min) → 5°C/min → 158°C (3 min) → 10°C/min → 185°C → 15°C/min → 195°C → 20°C/min → 240°C (5 min) → 30°C/min → 300°C (15 min)
Detector 300°C
Flow rate
Carrier gas (N
2
) 54 mL/min
Injection volume
1 μL
Split ratio
50:1