Malt Whiskey on Stabilwax-DA

	Peaks
1.	Ethyl octanoate
2.	Acetic acid
3.	Siloxane
4.	1-Hydroxy-2,3-butadione
5.	1-Hydroxy-2-propanone acetate
6.	Furfural
7.	Formic acid
8.	Propionic acid
9.	Isobutyric acid
10.	Dimethyl Sulfoxide
11.	5-Methyl furfural
12.	Methyl decanoate + unknown
13.	Butyric acid
14.	Siloxane
15.	Ethyl decanoate
16.	Furfuryl alcohol
17.	Isoamyl octanoate
18.	Isovaleric acid
19.	2-Methylbutyric acid
20.	Diethyl succinate
21.	3-Methyl-2(5H)-furanone (possible)
22.	Valeric acid
23.	Ethyl undecanoate
24.	Isobutyl decanoate
25.	2(5H)-Furanone
26.	Unknown
27.	Diethylene glycol butyl ether
28.	Siloxane
29.	Methyl dodecanoate
30.	2-Phenylethyl acetate
31.	Methylcyclopentenolone
32.	Hexanoic acid

	Peaks
33.	Ethyl dodecanoate
34.	Isoamyl decanoate
35.	Guaiacol
36.	Dodecyl acetate (possible)
37.	Whiskey lactone (1)
38.	2-Phenylethanol
39.	Heptanoic acid
40.	Siloxane
41.	Dimethoxybenzene or 4-Methylguaiacol
42.	Whiskey lactone (2)
43.	Dodecanol
44.	Unknown
45.	Phenol
46.	Methyl tetradecanoate
47.	Nerolidol
48.	Diethyl malate
49.	Ethyl tetradecanoate
50.	Octanoic Acid
51.	Unknown
52.	p-Cresol
53.	Siloxane
54.	Diethyl octanedioate
55.	Monomethyl succinate (possible)
56.	3,5-Dimethyl-2,4(5H)furandione
57.	Nonanoic acid
58.	Diethyl 2-hydroxyglutarate
59.	Unknown
60.	Tetradecanol
61.	4-Vinylguaiacol
62.	Diethyl nonanedioate
63.	Methyl hexadecanoate
64.	Ethyl γ-lactone 2-hydroxyglutarate

	Peaks
65.	Ethyl hexadecanoate
66.	Decanoic acid
67.	Ethyl 9-hexadecanoate
68.	Triacosan
69.	Unknown
70.	Phthalide
71.	Diethyl Phthalate
72.	Hexadecanol
73.	4-Hydroxycinnamic acid (decomp.)
74.	Methyl stearate
75.	Benzoic acid
76.	Methyl 8-octadecenoate
77.	Ethyl stearate
78.	Dodecanoic acid
79.	Hydroxymethylfurfural
80.	Ethyl linoleate
81.	4-Allyl-2,6-dimethoxyphenol
82.	Diisobutyl phthalate
83.	Vanillin
84.	Sinapic acid (decomp.)
85.	2-Phenylethyl decanoate +2 unknowns
86.	4-Propenyl-2,6-dimethoxyphenol
87.	Ethyl vanillate
88.	Acetovanillone
89.	Vanillin methyl ketone
90.	Tetradecanoic acid
91.	Ethyl homovanillate
92.	propiovanillone
93.	fatty acid ester
94.	similar to 4-Allyl-2,6-dimethoxyphenol
95.	Unknown
96.	Hexadecanoic acid
97.	Syringaldehyde

Injection
Column	Stabilwax-DA, 30 m, 0.18 mm ID, 0.18 µm
Standard/Sample	malt whiskey
Conc.:	neat
Inj. Vol.:	10 µL PTV splitless
Inlet Temp. Program:	35 °C (hold 2 min) to 300 °C at 10 °C/min (hold 5 min)
Oven
Oven Temp.:	60 °C (hold 2 min) to 100 °C at 20 °C/min to 240 °C at 5 °C/min (hold 10 min)
Carrier Gas	He, constant linear velocity
Linear Velocity:	45 cm/sec

Detector	MS
Mode:	Scan
Transfer Line Temp.:	240 °C
Analyzer Type:	Quadrupole
Source Temp.:	230 °C
Quad Temp.:	150 °C
Electron Energy:	70 eV
Ionization Mode:	EI
Scan Range:	30-400 amu
Notes	Injection: 10 µL large volume at 10 µL/min. Helium vent flow: 600 mL/min. with 1.8 min. vent end time
Acknowledgement	Chromatogram courtesy of Kevin MacNamara, Ph.D., Irish Distilleries, Ltd.

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