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Food Packaging Volatiles on Rtx-5MS
Peaks | |
---|---|
1. | Isopropanol![]() |
2. | Methylene chloride![]() |
3. | 2-Methyl-1-propanol![]() |
4. | Tetrahydrofuran![]() |
5. | Benzene![]() |
6. | Toluene![]() |
7. | Hexanal![]() |
8. | Furfural![]() |
9. | 4-Heptanone (IS)![]() |
10. | Butyl ether![]() |
11. | Styrene![]() |
12. | Dodecane![]() |

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 |
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 |
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