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Peaks | tR (min) | |
---|---|---|
1. | Camphene | 1.543 |
2. | D-Limonene | 1.806 |
3. | β-Ocimene | 1.858 |
4. | α-Ocimene | 1.916 |
5. | 4-Nonanone | 2.180 |
6. | Methyl heptenone | 2.212 |
Peaks | tR (min) | |
---|---|---|
7. | Linalool | 3.179 |
8. | Caryophyllene | 3.636 |
9. | Z-Citral | 4.038 |
10. | E-Citral | 4.340 |
11. | Geranyl acetate | 4.490 |
12. | α-Amorphene | 4.588 |
13. | Geraniol | 4.997 |
Column | Rtx-Wax, 30 m, 0.32 mm ID, 0.25 µm (cat.# 12424) |
---|---|
Standard/Sample | Lemongrass 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.: | 230 °C |
Oven | |
Oven Temp.: | 100 °C (hold 0.5 min) to 250 °C at 16 °C/min (hold 10 min) |
Carrier Gas | H2, constant flow |
Flow Rate: | 2 mL/min |
Detector | FID @ 250 °C |
---|---|
Constant Column + Constant Make-up: | 52 mL/min |
Make-up Gas Type: | N2 |
Hydrogen flow: | 40 mL/min |
Air flow: | 400 mL/min |
Data Rate: | 50 Hz |
Instrument | Agilent 7890A GC |
Notes | All peaks were identified using the NIST MS EI spectra library (2005). |