Environmental Applications C1 and C2 Halocarbons (Freons)
Column: GS-GasPro 113-4362 60 m x 0.32 mm
Carrier: Helium at 35 cm/sec, constant velocity Oven: 40°C for 2 min, 40-120°C at 10°/min 120°C for 3 min 120-200°C at 10°/min
Injection: Splitless, 250°C 0.20 min purge activation time
Detector: MSD, 280°C, full scan 45-180 amu
Sample: 1.0 µL of 100 ppm mixture of Accustandard M-REF & M-REF-X in methanol
10 9 11 8 13 15 21 23 12 5 6 7 2 3 20 1 5 4 10 Time (min) 15 GCEA005 14 19 16 18 24 17 22
1. Chlorotrifluoromethane* 2. Trifluoromethane
Freon # 13
3. Bromotrifluoromethane 4. Chloropentafluoroethane 5. Pentafluoroethane 6. 1,1,1-Trifluoroethane 7. Dichlorodifluoromethane 8. Chlorodifluoromethane 9. 1,1,1,2-Tetrafluoroethane 10. Chloromethane
23
13B1 115 125
143a 12 22
11. 1,1,2,2-Tetrafluoroethane 12. Bromochlorodifluoromethane 13. 1,1-Difluoroethane
134a 40
14. 1,2-Dichloro-1,1,2,2-tetrafluoroethane 114 15. 2-Chloro-1,1,1,2-tetrafluoroethane 16. 1-Chloro-1,1-difluoroethane 17. Dichlorofluoromethane 18. Trichlorofluoromethane 19. Chloroethane
23. 1,1,2-Trichloro-1,2,2-trifluoroethane 113 24. 1,2-Dibromo-1,1,2,2-tetrafluoroethane 114B2 *Peak not shown
20. Dichloromethane 21. 1,1-Dichloro-1-fluoroethane 22. 2,2-Dichloro-1,1,1-trifluoroethane
141b 123
12B1 152a
134 124
142b 21 11
160 Suggested Supplies
Septum: Advanced Green, 5183-4759 Liner: Splitless, single taper, deactivated, 4 mm ID, 5181-3316 Seal: Gold plated seal, 18740-20885 Syringe: 10 µL tapered, FN 23-26s/42/HP, 5181-1267
GC PAL Liquid Injection Syringes have the ability to inject a wide range of sample volumes, up to 500 µL for LVI applications.
Order online at
www.agilent.com/chem/store
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