Retention time standard; 1. Cyclohexane; 2. Phenyldodecane; 3. 1,2 Dimethylbenzene; 4. Hexamethylbenzene; 5. Naphthalene; 6. Dibenzothiophene; 7. 9-Methylanthracene; Calibration standard; 8. 1,2 Dimethylbenzene; 9. Fluorene; 10. Phenanthrene; Sample; 11. MAH 20.14% [m/m]; 12. DAH 2.33% [m/m]; 13. T+AH 0.11% [m/m]; Total aromatic hydrocarbens:; 22.59 % [m/m]
Determination of aromatic Hydrocarbon types in middle distillates acc. to prEN 12916:2006
Article number: VCH0002J
| Method | HPLC |
|---|---|
| Sample | Dilution with n-heptane |
| Eluent | n-Heptane (dried with molecular sieve) |
| Gradient | isocratic |
| Flow rate | 0.5 ml/min |
| Mode | NP Mode |
| Injection volume | 10 µl |
| Temperature | 25 °C |
| Detection | Refractive Index (RI) |
| Substances | MAH: phenyldodecane; 1,2 dimethylbenzene; hexamethylbenzene DAH: naphthalene, fluorene T-AH: dibenzothiphene; phenanthrene, 9-methylanthracene
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| Key words | MAH (Mono-aromatic compounds), DAH (Di-aromatic compounds), T+AH (Tri+-aromatic compounds), middle distillates |
| Chromatogram | Retention time standard 1. Cyclohexane 2. Phenyldodecane 3. 1,2 Dimethylbenzene 4. Hexamethylbenzene 5. Naphthalene 6. Dibenzothiophene 7. 9-Methylanthracene Calibration standard 8. 1,2 Dimethylbenzene 9. Fluorene 10. Phenanthrene Sample 11. MAH 20.14% [m/m] 12. DAH 2.33% [m/m] 13. T+AH 0.11% [m/m] Total aromatic hydrocarbens: 22.59 % [m/m]
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Column 250 x 4 mm UltraSep 100-5 ES AP special | 25DE450USJ | Column 250 x 4 mm UltraSep 100-5 ES AP special |
Technical data are subject to change without notice.