| Physical Properties | Content | Norm for J. curcas Oil in Diesel Engines [34] [35] | |||
| Mukono | Nebbi | p-Value | Units | Standards | |
| Ester Content (%) | 93.30 ± 0.50 | 94.70 ± 0.40 | 0.090 | >96.5 | EN 14103 |
| Kinematic Viscosity at 40˚C (mm2/s) | 32.27 ± 0.81 | 32.90 ± 0.35 | 0.161 | 3.5-5.0 | EN ISO 3104 |
| Free Fatty Acids (FFAs), % | 1.93 ± 0.15* | 1.52 ± 0.10* | 0.038 | <0.02 | EN 14105 |
| Calorific Value (MJ/kg) | 37.10 ± 2.87 | 41.47 ± 0.76 | 0.148 | >36 | DIN 51900-1, -2, -3 |
| Density at 15˚C (kg/m3) | 898.00 ± 2.00 | 901.33 ± 4.04 | 0.377 | 900 - 930 | EN ISO 3675/12185 |
| Cetane Number (CN) | 36.00 ± 0.00 | 37.00 ± 1.00 | 0.225 | >51 | EN ISO 5165 |
| Acid Value ( mg KOH/g) | 36.42 ± 0.24* | 35.43 ± 0.15* | 0.005 | 2.0 | EN 14104 |
| Iodine Value ( mg/g) | 108.97 ± 1.17 | 108.53 ± 1.05 | 0.416 | <120 | EN 14111 |