Refinery Gas


Column: HP-PLOT Q 19095P-QO4 30 m x 0.53 mm, 40.00 µm


Carrier: Helium p=9.0 psi at 60°C Oven: 60°C for 5 min 60-200°C at 20°C/min 200°C for 1 min


Injection: Split, 250°C Split flow 100 mL/min 0.25 cc valve


11


Detector: TCD, 250°C Sample: Refinery gas and others


Suggested Supplies


Septum: Advanced Green, 5183-4759 Liner: Direct, 1.5 mm ID, 18740-80200 Seal: Gold plated seal, 18740-20885


2 12 4 10 6 7 8


0 468 10 Time (min)


12 GCPE014 16 17 9 15 1 2 3 5 13 14


1. Air/CO 2. C1 3. CO2 4. Ethylene 5. C2 6. H2O 7. COS 8. H2O 9. Propylene 10. C3 11. MeOH 12. i-C4 13. t-C4 14. n-C4 15. cis-C4 16. i-C5 17. n-C5


Volatile Sulfur Compounds


Column: DB-1 123-1035 30 m x 0.32 mm, 5.00 µm


Carrier: Helium at 23 cm/sec (H2S at 50°C) Oven: 50°C for 4 min, 50-120°C at 20°/min,


Injection: Split, 200°C Split ratio 1:10


120°C for 4 min, 120-220°C at 25°/min, 220°C for 2.5 min


Detector: PFPD (OI Analytical), 220°C Sample: 600 µL of sulfur gas standard 3 ppm each component


1 2 6 15 23 16 3 5 4 7 8 9 10 11 12 13 14 19 17 18 20 21 24 22 2 46 8 10 Time (min) 12 14 16 18 GCPE017


1. Hydrogen sulfide 2. Carbonyl sulfide 3. Methyl mercaptan 4. Ethyl mercaptan 5. Dimethyl sulfide 6. Carbon disulfide 7. 2-Propanethiol 8. 2-Methyl-2-propanethiol 9. 1-Propanethiol 10. Ethyl methyl sulfide 11. Thiophene 12. 2-Methyl-1-propanethiol 13. Diethyl sulfide 14. 1-Butanethiol 15. Methyl disulfide 16. 2-Methylthiophene 17. 3-Methylthiophene 18. Tetrahydrothiophene 19. 1-Pentanethiol 20. 2-Ethylthiophene 21. 2,5-Dimethylthiophene 22. 1-Hexanethiol 23. Ethyl disulfide 24. 1-Heptanethiol


Agilent wishes to thank Air Toxics, Ltd. (Folsom, CA) for providing the standard mixture shown in this chromatogram.


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