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Peaks | |
---|---|
1. | Tetrahydrofuran |
2. | 1-Butanol |
3. | Toluene |
4. | Hexanal |
5. | Ethylbenzene |
6. | 4-Heptanone |
7. | Butyl ether |
Peaks | |
---|---|
8. | Styrene |
9. | 1-Methylethylbenzene |
10. | Propylbenzene |
11. | Benzaldehyde |
12. | Benzeneacetaldehyde |
13. | Acetophenone |
14. | Benzoic acid, methyl ester |
15. | Decanal |
Column | Rtx-5MS, 30 m, 0.25 mm ID, 1.00 µm (cat.# 12653) |
---|---|
Injection | purge and trap split (split ratio 20:1) |
Liner: | 1 mm ID |
Inj. Temp.: | 250 °C |
Purge and Trap | |
Instrument: | Tekmar LSC-3100 purge & trap |
Trap Type: | Vocarb 3000, type K |
Purge: | 10 min @ 60 °C, flow 40 mL/min |
Dry Purge: | 3 min, flow 40 mL/min |
Desorb Preheat Temp.: | 220 °C |
Desorb: | 2 min @ 245 °C, flow 40 mL/min |
Bake: | 6 min @ 230 °C |
Interface Connection: | injection port |
Transfer Line Tubing: | Siltek/Sulfinert tubing |
Oven | |
Oven Temp.: | 50 °C to 92 °C at 3 °C/min to 220 °C at 20 °C/min (hold 1 min) |
Carrier Gas | He, constant flow |
Flow Rate: | 1 mL/min |
Linear Velocity: | 36 cm/sec |
Detector | MS |
---|---|
Mode: | Scan |
Source Temp.: | 280 °C |
Electron Energy: | EI @ 70 eV |
Scan Range: | 35-260 amu |
Instrument | HP6890 GC & 5973 MSD |
Notes | catalog number 22501 Siltek/Sulfinert tubing obsolete, recommend catalog number 29234 |
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