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Unsaturated cis/trans FAMEs on Rt-2560

PeakstR (min)Conc.
Structural Nomenclature
1.Methyl stearate34.4022.0C18:0
2.Methyl petroselaidate35.2200.8C18:1 (trans-6)
3.Methyl elaidate35.2881.0C18:1 (trans-9)
4.Methyl trans-vaccenate35.4051.2C18:1 (trans-11)
5.Methyl petroselinate35.5550.8C18:1 (cis-6)
6.Methyl oleate35.6501.0C18:1 (cis-9)
7.Methyl vaccenate35.8381.2C18:1 (cis-11)
8.Methyl linoleate37.5672.0C18:2 (cis-9,12)
ColumnRt-2560, 100 m, 0.25 mm ID, 0.20 µm (cat.# 13198)
Standard/Samplecis/trans FAME mix (cat.# 35079)
Diluent:Methylene chloride
Inj. Vol.:1 µL split (split ratio 200:1)
Liner:Topaz 4 mm ID straight inlet liner w/ wool (cat.# 23300)
Inj. Temp.:240 °C
Oven Temp.:100 °C (hold 4 min) to 240 °C at 3 °C/min (hold 10 min)
Carrier GasH2, constant flow
Flow Rate:2.2 mL/min
DetectorFID @ 250 °C
InstrumentAgilent 7890A GC