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Peppermint Oil on Rxi-5Sil MS (20 m, 0.18 mm ID, 0.18 µm)

GC_FF1326
PeakstR (min)
1.α-Pinene1.253
2.3-Methylcyclohexanone1.304
3.β-Phellandrene1.367
4.β-Pinene1.399
5.p-Cymene1.551
6.D-Limonene1.570
7.Eucalyptol1.599
8.Methone 12.231
PeakstR (min)
9.Methone 22.274
10.Neoisomenthol2.295
11.Menthol2.364
12.Isomenthol2.417
13.α-Terpineol2.440
14.Pulegone2.706
15.Menthyl acetate3.006
16.Caryophyllene3.953
ColumnRxi-5Sil MS, 20 m, 0.18 mm ID, 0.18 µm (cat.# 43602)
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 (hold 0.25 min) to 320 °C at 17.5 °C/min (hold 10 min)
Carrier GasHe, constant flow
Flow Rate:1.01 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).