Table 6.
Comparison of mesquite biodiesel with standard biodiesel specifications.
| Parameter | P. julifera S.B | ASTM D763 | EN 1632 | Test methods |
|---|---|---|---|---|
| Specific gravity | 0.86 | 0.87–0.90 | 0.85–0.90 | ASTM D305 |
| Viscosity (mm2/s) | 4.513 | 3.6–6.5 | 1.5–6.0 | ASTM D545 |
| Acid value (mg KOH/g) | 0.88 | 0.5 | ≤0.55 | ASTM-D774 |
| Free fatty acid (%) | 0.42 | ≤0.41 | ≤0.35 | ASTM-D667 |
| Saponification value (mg KOH/g) | 192.54 | ≤216.8 | ≤220.9 | ASTM-D884 |
| Moisture content (%) | 0.054 | <0.03 | -0.06 | - ASTM-D335 |
| Density (g/cm3) | 0.865 | 0.82–0.95 | 0.85–0.95 | ASTM D395 |
| Flash point (°C) | 223 | ≥125 | ≥140 | ASTM D102 |
| Iodine value (g I2/g 100 oil) | 78.51 | - | 120 | EN14214 |
S = seed, B = biodiesel.