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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
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
Peaks
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
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
image
GC_FF00603
ColumnStabilwax-DA, 30 m, 0.18 mm ID, 0.18 µm
Samplemalt whiskey
Conc.: neat
Injection
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 GasHe, constant linear velocity
Linear Velocity:45 cm/sec
DetectorMS
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
NotesInjection: 10 µL large volume at 10 µL/min.
Helium vent flow: 600 mL/min. with 1.8 min. vent end time
AcknowledgementChromatogram courtesy of Kevin MacNamara, Ph.D., Irish Distilleries, Ltd.
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