Petrocol DH, 100m × 0.25 mm I.D., 0.5 μm film (24160-U)
250 °C
35 °C for 15 min, then to 200 °C at 2 °C/min, hold for 5 min
FID, 250 °C
helium, 20 cm/sec (set at 35 °C)
1 μL
premium unleaded gasoline, split 100:1,
Petrocol is a registered trademark of Merck KGaA, Darmstadt, Germany