Table 1.
Different properties of petrol and octane.
| Properties | Petrol (Gasoline – Regular) |
Octane (Gasoline – Premium) |
Euro 5 |
|||||
|---|---|---|---|---|---|---|---|---|
| Mina | Maxa | Mean ± SDa | Mina | Maxa | Mean ± SDa | Mina | Maxa | |
| Density at 15 °C (g/cm3) | 0.723 | 0.779 | 0.744 ± 0.013 | 0.760 | 0.795 | 0.783 ± 0.008 | – | – |
| RONb | 90.50 | 96.40 | 95.34 ± 1.34 | 94.70 | 98.20 | 96.96 ± 0.86 | 95 | – |
| MONb | 85.20 | 86.60 | 85.70 ± 0.33 | 84.10 | 87 | 85.39 ± 0.79 | 85 | – |
| AKI | 90.10 | 91.50 | 90.68 ± 0.34 | 89.40 | 92.60 | 91.17 ± 0.81 | 90 | – |
| Ethanol (%v/v) | 0 | 0.36 | 0.07 ± 0.13 | 0 | 0.47 | 0.07 ± 0.14 | – | 5 |
| Benzene (%v/v) | 0.83 | 2.95 | 1.50 ± 0.66 | 2.88 | 4.64 | 3.70 ± 0.45 | – | 1 |
| BTEX (%v/v) | 12.50 | 29.70 | 20.21 ± 5.82 | 31.50 | 52 | 42.89 ± 5.02 | – | – |
| Olefins (%v/v)2 | 2.90 | 14 | 8.23 ± 3.49 | 0.70 | 2.40 | 1.25 ± 0.51 | – | 18 |
| Oxygenates (%v/v) | 1.53 | 6.56 | 4.22 ± 1.83 | 0 | 2.03 | 0.38 ± 0.60 | – | – |
| Oxygen (%m/m) | 0.33 | 1.20 | 0.78 ± 0.32 | 0 | 0.35 | 0.09 ± 0.13 | – | 2.7 |
| MTBE (%v/v) | 1.25 | 6.56 | 4.15 ± 1.92 | 0 | 2.03 | 0.87 ± 0.73 | – | – |
Total number of samples = 32.
a
Max = Maximum, Min = Minimum, SD = Standard Deviation.
b
These values were calculated by implementing MLR.