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Determination Of Hydrocarbon Group Type in Gasoline on Rxi-1ms by GC-VUV (ASTM D8071)
Peaks | |
---|---|
1. | Ethanol![]() |
2. | 2-Methylpentane![]() |
3. | Isooctane![]() |
4. | Toluene![]() |
5. | Octane![]() |
Peaks | |
---|---|
6. | Ethylbenzene![]() |
7. | m-Xylene![]() |
8. | p-Xylene![]() |
9. | o-Xylene![]() |
10. | 1,2,4-Trimethylbenzene![]() |
11. | Methylnaphthalenes![]() |

Column | Rxi-1ms, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13323) |
Sample | Gasoline |
Conc.: | Neat |
Injection | |
Inj. Vol.: | 1 µL split (split ratio 300:1) |
Liner: | Topaz 4.0 mm ID Precision inlet liner w/wool (cat.# 23305) |
Inj. Temp.: | 250 °C |
Oven | |
Oven Temp.: | 35 °C (hold 10 min) to 200 °C at 7 °C/min |
Carrier Gas | He, constant flow |
Flow Rate: | 1 mL/min |
Detector | VUV |
Transfer Line Temp.: | 275 °C |
Flow Cell Temp.: | 275 °C |
Acquisition Range: | 125-240 nm |
Acquisition Rate: | 4.5 spectra/sec |
Instrument | HP 6890 GC & VUV Analytics VGA-100 |
Notes | ASTM D8071: Standard Test Method for Determination of Hydrocarbon Group Types and Select Hydrocarbon and Oxygenate Compounds in Automotive Spark-Ignition Engine Fuel Using Gas Chromatography with Vacuum Ultraviolet Absorption Spectroscopy Detection (GC-VUV) |
Acknowledgement | Restek would like to thank Jack Cochran from VUV Analytics for sharing the data. |
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