臭氧前体混合物/ PAMS (57种成分)
所提供的高品质空气检测标准气体均来自Spectra/Linde和Scott/Air Liquide。符合高端实验室要求，标准来自两个不同标准气体制造商的测量标准。混合气NIST重量溯源。所有产品都带有鉴定证书和唯一序列号。一次性气瓶，无需租金。生产商可应要求对气体重新鉴定。一般稳定性的保质期为12个月。
中文描述：
乙炔
苯
正丁烷
1 - 丁烯
顺式-2 - 丁烯
反式-2 - 丁烯
环己烷
环戊烷
正癸烷
米 - 二乙基苯
对 - 二乙基苯
2,2 - 二甲基丁烷
2,3 - 二甲基丁烷
2,3 - 二甲基戊烷
2,4 - 二甲基戊烷
正十二烷
乙烷
乙苯
乙烯
间 - 乙基甲苯
邻乙基甲苯
对 - 乙基甲苯
正庚烷
正己烷
1 - 己烯
异丁烷
异戊烷
异戊二烯
异丙苯
甲基环己烷
甲基环戊烷
2 - 甲基庚烷
3 - 甲基庚烷
2 - 甲基己烷
3 - 甲基己烷
2 - 甲基戊烷
3 - 甲基戊烷
正壬烷
正辛烷
正戊烷
1 - 戊烯
顺式-2 - 戊烯
反式-2 - 戊烯
丙烷
正丙苯
丙烯
苯乙烯
甲苯
1,2,3 - 三甲基苯
1,2,4 - 三甲基苯
1,3,5 - 三甲基苯
2,2,4 - 三甲基戊烷
2,3,4 - 三甲基戊烷
正十一烷
邻二甲苯
间/对 - 二甲苯（组合）
英文描述：
Acetylene
Benzene
1-Butene
Cyclohexane
Cyclopentane
2,2-Dimethylbutane
2,3-Dimethylbutane
2,3-Dimethylpentane
2,4-Dimethylpentane
Ethane
Ethylbenzene
Ethylene
1-Hexene
Isobutane
Isopentane
Isoprene
Isopropylbenzene
Methylcyclohexane
Methylcyclopentane
2-Methylheptane
3-Methylheptane
2-Methylhexane
3-Methylhexane
2-Methylpentane
3-Methylpentane
1-Pentene
Propane
Propylene
Styrene
Toluene
1,2,3-Trimethylbenzene
1,2,4-Trimethylbenzene
1,3,5-Trimethylbenzene
2,2,4-Trimethylpentane
2,3,4-Trimethylpentane
订货信息：
| 货号 | 描述 | 参数 | 容积 |
| 34420 | Ozone Precursor Mixture/PAMS | 1 ppm in nitrogen, 104 liters @ 1,800 psi | 104 liter |
| 26368 | Ozone Precursor Mix/PAMS | 1 ppm in nitrogen, 110 liters @ 1,800 psi | 110 liter |
| 34420-PI | Ozone Precursor Mixture/PAMS | 1 ppm in nitrogen, 110 liters @ 1,800 psi (Pi-marked Cylinder) | 110 liter (Pi-marked) |
| 34429 | Ozone Precursor Mixture/PAMS | 100 ppb in nitrogen, 104 liters @ 1,800 psi | 104 liter |
| 26369 | Ozone Precursor Mix/PAMS | 100 ppb in nitrogen, 110 liters @ 1,800 psi | 110 liter |
| 34429-PI | Ozone Precursor Mixture/PAMS | 100 ppb in nitrogen, 110 liters @ 1,800 psi (Pi-marked Cylinder) | 110 liter (Pi-marked) |
Spectra (Linde) 104 L Cylinders:
Aluminum construction
Size: 8 x 24 cm
Volume/Pressure: 104 liters of gas @ 1,800 psi
Outlet Fitting: CGA-180
Weight: 1.5 lb/0.7 kg
Scotty (Air Liquide) 110 L Cylinders (PI-marked Cylinders for EU Regulations):
Aluminum construction
Size: 8.3 x 29.5 cm
Volume/Pressure: 110 liters of gas @ 1,800 psi
Outlet Fitting: CGA-180
Weight: 2.2 lb/1 kg
U.S. DOT Specs: 3AL2216
No data pack available. Quantity discounts not available.
| Peaks | tR (min) | |
|---|---|---|
| 1. | Ethylene | 7.91 |
| 2. | Acetylene | 8.10 |
| 3. | Ethane | 8.32 |
| 4. | Propylene | 11.44 |
| 5. | Propane | 11.76 |
| 6. | Isobutane | 16.08 |
| 7. | 1-Butene | 18.01 |
| 8. | n-Butane | 18.60 |
| 9. | trans-2-Butene | 19.41 |
| 10. | cis-2-Butene | 20.41 |
| 11. | iso-Pentane | 23.79 |
| 12. | 1-Pentene | 24.80 |
| 13. | n-Pentane | 25.53 |
| 14. | Isoprene | 25.83 |
| 15. | trans-2-Pentene | 26.05 |
| 16. | cis-2-Pentene | 26.54 |
| 17. | 2,2-Dimethylbutane | 27.76 |
| 18. | Cyclopentane | 29.50 |
| 19. | 2,3-Dimethylbutane | 29.60 |
| 20. | 2-Methylpentane | 29.86 |
| 21. | 3-Methylpentane | 30.70 |
| 22. | 1-Hexene | 31.04 |
| 23. | Bromochloromethane (IS) | 31.60 |
| 24. | n-Hexane | 31.69 |
| 25. | Methylcyclopentane | 33.30 |
| 26. | 2,4-Dimethylpentane | 33.41 |
| 27. | Benzene | 34.67 |
| 28. | Cyclohexane | 35.19 |
| 29. | 1,4-Difluorobenzene (IS) | 35.32 |
| 30. | 2-Methylhexane | 35.44 |
| Peaks | tR (min) | |
|---|---|---|
| 31. | 2,3-Dimethylpentane | 35.62 |
| 32. | 3-Methylhexane | 35.93 |
| 33. | 2,2,4-Trimethylpentane | 36.70 |
| 34. | n-Heptane | 37.17 |
| 35. | Methylcyclohexane | 38.52 |
| 36. | 2,3,4-Trimethylpentane | 39.88 |
| 37. | Toluene | 40.22 |
| 38. | 2-Methylheptane | 40.49 |
| 39. | 3-Methylheptane | 40.89 |
| 40. | n-Octane | 42.09 |
| 41. | Chlorobenzene-d5 (IS) | 43.79 |
| 42. | Ethylbenzene | 44.57 |
| 43. | m-Xylene | 44.89 |
| 44. | p-Xylene | 44.93 |
| 45. | Styrene | 45.62 |
| 46. | o-Xylene | 45.83 |
| 47. | n-Nonane | 46.14 |
| 48. | 4-Bromofluorobenzene* | 46.71 |
| 49. | Isopropylbenzene | 46.96 |
| 50. | n-Propylbenzene | 47.95 |
| 51. | m-Ethyltoluene | 48.15 |
| 52. | p-Ethyltoluene | 48.23 |
| 53. | 1,3,5-Trimethylbenzene | 48.38 |
| 54. | o-Ethyltoluene | 48.77 |
| 55. | n-Decane | 49.32 |
| 56. | 1,2,4-Trimethylbenzene | 49.21 |
| 57. | 1,2,3-Trimethylbenzene | 50.07 |
| 58. | m-Diethylbenzene | 50.67 |
| 59. | p-Diethylbenzene | 50.87 |
| 60. | Undecane | 51.89 |
| 61. | Dodecane | 54.02 |
| Column | Rtx-1, 105 m, 0.25 mm ID, 1.00 μm (cat.# 10159) |
| with MXT-Union connector kit (cat.# 21386) | |
| Sample | Ozone precursor mixture/PAMS (cat.# 34420) |
| TO-14A internal standard/tuning mix (cat.# 34408) | |
| Diluent: | Nitrogen |
| Conc.: | 10 ppbv 400 mL injection |
| Injection | Direct |
| Oven | |
| Oven Temp.: | -45 °C (hold 4 min) to 125 °C at 4.50 °C/min to 250 °C at 9.00 °C/min |
| Carrier Gas | He, constant flow |
| Flow Rate: | 2.0 mL/min |
| Linear Velocity: | 26 cm/sec @ -45 °C |
| Detector | MS |
| Mode: | Scan |
| Scan Program: | GroupStart Time(min)Scan Range(amu)Scan Rate(scans/sec)17.0026.00-30.005.21210.0126.00-53.502.13318.0139.00-176.001.34 |
| Transfer Line Temp.: | 270 °C |
| Analyzer Type: | Quadrupole |
| Source Type: | Stainless Steel |
| Drawout Plate: | 6mm ID |
| Source Temp.: | 230 °C |
| Quad Temp.: | 150 °C |
| Electron Energy: | 70.0 eV |
| Solvent Delay Time: | 7.00 min |
| Tune Type: | BFB |
| Ionization Mode: | EI |
| Preconcentrator | Nutech 8900DS |
| Trap 1 Settings | |
| Type/Sorbent : | Siltek­­?-treated glass beads |
| Cooling temp: | -180 °C |
| Preheat temp: | 5 °C |
| Preheat time: | 0 sec |
| Desorb temp: | 20 °C |
| Desorb flow: | 5 mL/min |
| Desorb time: | 120 sec |
| Bakeout temp: | 200 °C |
| Flush flow: | 120 mL/min |
| Flush time: | 60 sec |
| Sweep flow: | 120 mL/min |
| Sweep time: | 60 sec |
| Trap 2 Settings | |
| Type/Sorbent: | Tenax? GR |
| Cooling temp: | -45 °C |
| Desorb temp: | 200 °C |
| Desorb time: | 0 sec |
| Bakeout temp: | 175 °C |
| Bakeout time: | 30 sec |
| Cryofocuser | |
| Cooling temp: | -180 °C |
| Inject time: | 30 sec |
| Internal Standard | |
| Purge flow: | 100 mL/min |
| Purge time: | 6 sec |
| Vol.: | 100 mL |
| ISTD flow: | 100 mL/min |
| Standard | |
| Size: | 400 mL |
| Purge flow: | 100 mL/min |
| Purge time: | 6 sec |
| Sample flow: | 100 mL/min |
| Instrument | HP6890 GC & 5973 MSD |
| Acknowledgement | Nutech/EST Analytical |
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