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Margarine on FAMEWAX

PeakstR (min)Structural Nomenclature
1.Methyl decanoate1.834C10:0
2.Methyl laurate2.751C12:0
3.Methyl myristate4.821C14:0
4.Methyl palmitate8.898C16:0
5.Methyl stearate14.687C18:0
6.Methyl oleate15.180C18:1 cis-9
7.Methyl elaidate15.285C18:1 trans-9
8.Methyl vaccenate15.384C18:1 cis-11
9.Methyl linoleate16.582C18:2 cis-9,12
10.Methyl linolenate18.603C18:3 cis-9,12,15
image
GC_FF1270
ColumnFAMEWAX, 30 m, 0.25 mm ID, 0.25 µm (cat.# 12497)
SampleMargarine stick
Injection
Inj. Vol.:1 µL split (split ratio 100:1)
Liner:Topaz 4 mm ID straight inlet liner w/wool (cat.# 23300)
Inj. Temp.:250 °C
Oven
Oven Temp.:160 °C to 240 °C at 2 °C/min (hold 1 min)
Carrier GasHe, constant flow
Flow Rate:1.4 mL/min
DetectorMS
Mode:Scan
Transfer Line Temp.:250 °C
Analyzer Type:Quadrupole
Source Type:Inert
InstrumentAgilent 7890A GC & 5975C MSD
NotesThe sample was prepared using sodium methoxide.
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