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Microbial VOCs on Rxi-1ms

GC_AR01030
PeakstR (min)
1.2-Butanone9.047
2.2-Methylfuran9.640
3.3-Methylfuran9.962
4.2-Methyl-1-propanol10.405
5.2-Methyl-2-butanol10.791
6.1-Butanol11.506
7.3-Methyl-2-butanol12.092
8.2-Pentanol12.592
9.2-Methyl-1-butanol13.779
10.Dimethyl disulfide13.979
11.3-Hexanone14.994
PeakstR (min)
12.2-Hexanone15.080
13.2-Heptanone17.767
14.1-Octen-3-ol20.019
15.3-Octanone20.133
16.3-Octanol20.433
17.2-Pentylfuran20.476
18.2-Ethyl-1-hexanol21.163
19.1-Octanol22.013
20.2-Isopropyl-3-methoxypyrazine22.628
21.Isoborneol24.379
22.α-Terpineol24.844
23.Geosmin28.347
ColumnRxi-1ms, 60 m, 0.25 mm ID, 1.00 µm (cat.# 13356)
Samplemicrobial volatile organic compounds
Conc.: 2 ppbv, 60% RH
Injection
Inj. Vol.:1.0 µL split (split ratio 1:1)
Liner:1mm Split (cat.# 20972)
Inj. Temp.:200 °C
Oven
Oven Temp.:10 °C (hold 1 min) to 235 °C at 8 °C/min
Carrier GasHe, constant flow
Flow Rate:1.5 mL/min
DetectorAgilent 5973 GC/MS
Transfer Line Temp.:260 °C
Solvent Delay Time:5 min
Ionization Mode:EI
Scan Range:35-350 amu
PreconcentratorNutech 8900DS Preconcentrator
  Trap 1 Settings
Cooling temp:-160 °C
Desorb temp:20 °C
  Trap 2 Settings
Cooling temp:20 °C
Desorb temp:200 °C
  Cryofocuser
Cooling temp:200 °C
Desorb temp:200 °C
  Standard
Size:200 mL
InstrumentAgilent/HP6890 GC
NotesSample = 200 mL from canister