GC Columns
Capillary Columns Dedicated Columns
SH-VMS Dedicated columns for analyzing volatile organic pollutants by GCMS including methods TO-15, TMS, and EPA 8260.
Complete separation of U.S. EPA Method 8260 compounds in less than 10 minutes.
ID
df
Temp. Range
20 m
30 m
60 m
0.18 mm 1.00 µm
-40 to 240/260 °C
227-36412-01
−
−
0.25 mm 1.40 µm
-40 to 240/260 °C
−
227-36268-01
227-36268-02
0.32 mm 1.80 µm
-40 to 240/260 °C
−
227-36269-01
227-36269-02
Volatile Organics (US EPA CLP 04.1)
Peaks 1. dichlorodiuoromethane 2. chloromethane 3. vinyl chloride 4. bromomethane 5. chloroethane 6. trichloro uoromethane 7. 1,1-dichloroethene 8. carbon disul de 9. 1,1,2-trichloro-1,2,2- tri uoroethane 10. methylene chloride 11. acetone 12. trans -1,2-dichloroethene 13. methyl acetate 14. methyl tert-butyl ether 15. 1,1-dichloroethane 16. cis-1,2-dichoroethane 17. cyclohexane 18. bromochloromethane (IS) 19. chloroform 20. carbon tetrachloride 21. 1,1,1-trichloroethane 22. 2-butanone 23. benzene 24. 1,2-dichloroethane-d4 (SS) 25. 1,2-dichloroethane 26. methylcyclohexane 27. trichloroethene 28. 1,4-di uorobenzene (IS)
29. 1,2-dichloropropane 30. bromodichloromethane 31. cis -1,3-dichloropropene 32. toluene d8 (SS) 33. toluene 34. tetrachloroethane 35. 4-methyl-2-pentanone 36. trans -1,3-dichloropropane 37. 1,1,2-trichloroethane 38. dibromochloromethane 39. 1,2-dibromoethane 40. 2-hexanone 41. chlorobenzene d5 (IS)
42. chlorobenzene 43. ethylbenzene 44. m -xylene 45. p -xylene 46. o -xylene 47. styrene 48. bromoform 49. isopropylbenzene
50. 4-bromo uorobenzene (SS) 51. 1,1,2,2-tetrachloroethane 52. 1,3-dichlorobenzene 53. 1,4-dichlorobenzene 54. 1,2-dichlorobenzene 55. 1,2-dibromo-3-chloropropane 56. 1,2,4-trichlorobenzene
Conditions
Inj.
: Split (split ratio: 35:1)
Column : SH-VMS, 30 m, 0.25 mmID, 1.40 μm (P/N: 227-36268-01) Purge and Trap : Trap: #10 (Tenax R /silica gel/carbon molecular sieve) Sample Temp: ambient Purge: 11 min at 40 mL/min
Inj. Temp
: 200 °C
Carrier Gas
: He, linear velocity 34 cm/sec., 40 °C, constant ow : 40 °C (hold 4 min) to 90 °C at 16 °C/min to 220 °C at 32 °C/min (hold 5 min)
Oven Temp
Desorb preheat: 185 °C Desorb: 0.5 min at 190 °C Desorb ow rate: 35.0 mL/min Bake: 8 min at 210 °C Interface: split injector Transfer Line Temp: 150 °C
Detector
: MS Transfer Line Temp: 150 °C Scan Range: 35-300 amu. Ionization: EI
Pg C-32
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