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Palm Oil FAMEs on Stabilwax

PeakstR (min)Conc.
Structural Nomenclature
1.Methyl laurate8.9633.0C12:0
2.Methyl myristate12.1062.0C14:0
3.Methyl palmitate15.34450.2C16:0
4.Methyl palmitoleate15.6681.5C16:1 (cis-9)
5.Methyl stearate18.2544.4C18:0
6.Methyl oleate18.62034.1C18:1 (cis-9)
7.Methyl linoleate19.2244.5C18:2 (cis9,12)
8.Methyl linolenate20.1180.1C18:3 (cis-9,12,15)
9.Methyl arachidate21.0010.2C20:0
ColumnStabilwax, 60 m, 0.25 mm ID, 0.25 µm (cat.# 10626)
Standard/SamplePalm oil standard (Supelco #46962)
Inj. Vol.:1 µL split (split ratio 100:1)
Liner:Topaz 4 mm ID straight inlet liner w/ wool (cat.# 23300)
Inj. Temp.:225 °C
Oven Temp.:120 °C (hold 0.5 min) to 250 °C at 6 °C/min (hold 15 min)
Carrier GasH2, constant flow
Flow Rate:2 mL/min
DetectorFID @ 250 °C
InstrumentAgilent 7890A GC
Sample PreparationThe sample was prepared using methanolic HCl.