Commercial Spearmint Oil on Stabilwax-MS

	Peaks	tR (min)
1.	α-Pinene	4.66
2.	β-Pinene	6.92
3.	Sabinene	7.37
4.	Myrcene	8.68
5.	Limonene	9.49
6.	1,8-Cineole	9.67
7.	Cymene	11.33
8.	3-Octanol	14.10
9.	1-Octen-3-ol	15.26
10.	Menthone	15.59
11.	Menthofuran	15.94
12.	β-Bourbonene	16.58

	Peaks	tR (min)
13.	Linalool	17.11
14.	Menthyl acetate	17.44
15.	4-Terpineol	18.12
16.	Dihydrocarvone	18.26
17.	Neoisomenthol	18.59
18.	Menthol*	18.88
19.	Terpineol	19.76
20.	Germacrene D	20.01
21.	Piperitone	20.31
22.	Carvone	20.44
23.	Jasmone	23.66
24.	Caryophyllene oxide	24.28

* High signal suggests adulteration or misbranding.

GC_GN1169

Column	Stabilwax-MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 10673)
Sample	Commercial spearmint oil
Conc.:	Neat
Injection
Inj. Vol.:	1 µL split (split ratio 150:1)
Liner:	Premium 3.5 mm ID single taper w/wool (cat.# 23322.5)
Inj. Temp.:	250 °C
Oven
Oven Temp.:	45 °C (hold 5 min) to 250 °C at 7 °C/min (hold 10 min)
Carrier Gas	He, constant linear velocity
Linear Velocity:	36 cm/sec
Detector	MS
Mode:	Scan
Scan Program:	Group Start Time (min) Scan Range (amu) Scan Rate (scans/sec) 1 0 40-550 3.3
Transfer Line Temp.:	260 °C
Analyzer Type:	Quadrupole
Source Temp.:	250 °C
Electron Energy:	70 eV
Ionization Mode:	EI
Instrument	Shimadzu 2010 GC & QP2010+ MS

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