大気汚染物質

Air Pollutants

  • 環境GCMS溶剤
  • GLC Application

大気汚染物質

  • Peaks tR (min)
    1. Propylene 1.42
    2. Dichlorodifluoromethane (Freon® 12) 1.46
    3. 1,2-Dichlorotetrafluoroethane (Freon® 114) 1.58
    4. Chloromethane 1.62
    5. Vinyl chloride 1.73
    6. 1,3-Butadiene 1.77
    7. Bromomethane 2.02
    8. Chloroethane 2.12
    9. Trichlorofluoromethane (Freon® 11) 2.34
    10. Ethanol 2.54
    11. Acrolein 2.71
    12. 1,1-Dichloroethene 2.78
    13. 1,1,2-Trichlorotrifluoroethane (Freon® 113) 2.80
    14. Acetone 2.82
    15. Carbon disulfide 2.95
    16. Isopropyl alcohol 2.99
    17. Acetonitrile (contaminant) 3.05
    18. Methylene chloride 3.20
    19. trans-1,2-Dichloroethene 3.43
    20. Methyl tert-butyl ether (MTBE) 3.44
    21. Hexane 3.67
    22. 1,1-Dichloroethane 3.80
    23. Vinyl acetate 3.82
    24. 2-Butanone (MEK) 4.29
  • Peaks tR (min)
    25. cis-1,2-Dichloroethene 4.29
    26. Ethyl acetate 4.34
    27. Bromochloromethane (IS) 4.50
    28. Tetrahydrofuran 4.52
    29. Chloroform 4.60
    30. 1,1,1-Trichloroethane 4.74
    31. Cyclohexane 4.80
    32. Carbon tetrachloride 4.88
    33. Benzene 5.06
    34. 1,2-Dichloroethane 5.12
    35. Heptane 5.35
    36. 1,4-Difluorobenzene (IS) 5.47
    37. Trichloroethylene 5.69
    38. 1,2-Dichloropropane 5.94
    39. Methyl methacrylate 6.01
    40. 1,4-Dioxane 6.02
    41. Bromodichloromethane 6.20
    42. cis-1,3-Dichloropropene 6.64
    43. 4-Methyl-2-pentanone (MIBK) 6.80
    44. Toluene 6.99
    45. trans-1,3-Dichloropropene 7.26
    46. 1,1,2-Trichloroethane 7.47
    47. Tetrachloroethene 7.55
    48. 2-Hexanone (MBK) 7.72
  • Peaks tR (min)
    49. Dibromochloromethane 7.88
    50. 1,2-Dibromoethane 8.01
    51. Chlorobenzene-d5 (IS) 8.54
    52. Chlorobenzene 8.58
    53. Ethylbenzene 8.71
    54. m-Xylene 8.87
    55. p-Xylene 8.87
    56. o-Xylene 9.32
    57. Styrene 9.35
    58. Bromoform 9.56
    59. 4-Bromofluorobenzene* 9.99
    60. 1,1,2,2-Tetrachloroethane 10.18
    61. 4-Ethyltoluene 10.47
    62. 1,3,5-Trimethylbenzene 10.55
    63. 1,2,4-Trimethylbenzene 11.02
    64. 1,3-Dichlorobenzene 11.35
    65. 1,4-Dichlorobenzene 11.49
    66. Benzyl chloride 11.65
    67. 1,2-Dichlorobenzene 11.93
    68. 1,2,4-Trichlorobenzene 13.47
    69. Hexachlorobutadiene 13.59
    70. Naphthalene 13.67
    *Tuning standard
Column SH-I-624Sil MS, 30m, 0.32mm ID, 1.80μm (P/N:227-36077-01) Desorb flow 5 mL/min
Diluent Nitrogen Desorb time 360 sec
Conc. 10.0 ppbv 200 cc injection Bakeout temp 200℃
Injection Direct Flush flow 120 mL/min
Oven Temp. 32℃ (hold 1 min) to 150℃ @ 11℃/min to 230℃ @ 33℃/min Flush time 60 sec
Carrier Gas He, constant flow Sweep flow 120 mL/min
Flow Rate 2.0 mL/min Sweep time 60 sec
Linear Velocity 51 cm/sec @ 32℃ Trap 2 Settings
Detector MS Type/Sorbent Tenax®
Mode Scan Cooling temp -35℃
Transfer Line Temp. 230℃ Desorb temp 190℃
Analyzer Type Quadrupole Desorb time 30 sec
Source Temp. 230℃ Bakeout temp 200℃
Quad Temp. 150℃ Bakeout time 10 sec
Electron Energy 69.9 eV Cryofocuser
Solvent Delay Time 1.0 min Cooling temp -160℃
Tune Type BFB Inject time 140 sec
Ionization Mode EI Internal Standard
Scan Range 35 - 250 amu Purge flow 100 mL/min
Scan Rate 3.32 scans/sec Purge time 6 sec
Preconcentrator Nutech 8900DS Vol. 20 mL
Trap 1 Settings ISTD flow 100 mL/min
Type/Sorbent Glass Beads Standard
Cooling temp -155℃ Size 200 mL
Preheat temp 5℃ Purge flow 100 mL/min
Preheat time 0 sec Purge time 6 sec
Desorb temp 20℃ Sample flow 100 mL/min

【出典】株式会社島津製作所SHシリーズアプリデータ集 (株式会社島津ジーエルシー発行)

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