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Sunflower Oil on Rxi-65TG (30 m x 0.32 mm x 0.1 µm)

PeakstR (min)
1.1,3-Palmitin-2-olein (POP)14.566
2.1-Palmitin-2-olein-3-stearin (POS)16.291
3.1,2-Olein-3-palmitin (POO)16.587
4.1-Palmitin-2-linolein-2-olein (PLO)16.960
5.1,2-Linolein-3-palmitin (PLL)17.387
6.1,2-Stearin-3-olein (SOS)18.353
7.Triolein (OOO)19.152
ColumnRxi-65TG, 30 m, 0.32 mm ID, 0.10 µm (cat.# 17109)
Standard/SampleSunflower oil
Conc.: 5 mg/mL in isooctane
Inj. Vol.:1 µL split (split ratio 25:1)
Liner:Topaz 4.0 mm ID Precision inlet liner w/wool (cat.# 23305)
Inj. Temp.:360 °C
Oven Temp.:200 °C (hold 1.2 min) to 350 °C at 21.7 °C/min to 365 °C at 1.2 °C/min (hold 5 min)
Carrier GasH2, constant flow
Flow Rate:1.28 mL/min
Dead Time:1.4331 min
DetectorFID @ 365 °C
Make-up Gas Flow Rate:30 mL/min
Make-up Gas Type:N2
Hydrogen flow:40 mL/min
Air flow:370 mL/min
Data Rate:50 Hz
InstrumentAgilent 7890B GC
Sample Preparation50 mg of sunflower oil was diluted to 10 mL with isooctane.