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Peppermint Oil on Rxi-5Sil MS

GC_FF1315
PeakstR (min)
1.α-Pinene2.066
2.3-Methylcyclohexanone2.138
3.β-Phellandrene2.233
4.β-Pinene2.293
5.p-Cymene2.513
6.D-Limonene2.551
7.Eucalyptol2.591
8.Methone 13.522
PeakstR (min)
9.Methone 23.599
10.Neoisomenthol3.621
11.Menthol3.706
12.Isomenthol3.811
13.α-Terpineol3.839
14.Pulegone4.268
15.Menthyl acetate4.719
16.Caryophyllene6.219
ColumnRxi-5Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623)
Standard/SamplePeppermint oil
Diluent:Acetone
Conc.:5%
Injection
Inj. Vol.:1 µL split (split ratio 100:1)
Liner:Topaz 4.0 mm ID Precision inlet liner w/wool (cat.# 23305)
Inj. Temp.:250 °C
Oven
Oven Temp.:100 °C to 300 °C at 11 °C/min (hold 10 min)
Carrier GasHe, constant flow
Flow Rate:1.31 mL/min
DetectorMS
Mode:Scan
Scan Program:
GroupStart Time
(min)
Scan Range
(amu)
Scan Rate
(scans/sec)
11.0035-5005
Transfer Line Temp.:300 °C
Analyzer Type:Quadrupole
Source Type:Inert
Source Temp.:230 °C
Quad Temp.:150 °C
InstrumentAgilent 7890A GC & 5975C MSD
NotesAll peaks were identified using the NIST MS EI spectra library (2005).