Biodiesel property | Empirical estimation | Standard value [19] | ||||
---|---|---|---|---|---|---|
Before cultivation | After N-rich cultivation | After N-deficient cultivation | CN (GB/T 20828) | USA (ASTM D6751) | Europe (EN 14214) | |
KV 40 °C (mm2 s−1) | 4.56 ± 0.02 | 4.59 ± 0.02 | 4.62 ± 0.02 | 4.39 to 4.95 | 1.9 to 6.0 | 1.9 to 6.0 |
SG (kg L−1) | 0.8782 ± 0.0002 | 0.8779 ± 0.0002 | 0.8777 ± 0.0002 | 0.875 to 0.880 | 0.82 to 0.90 | 0.87 to 0.89 |
CP (°C) | 6.41 ± 0.47 | 7.03 ± 0.49 | 7.69 ± 0.41 | 2.83 to 14.66 | Report | Report |
CN | 56.09 ± 0.23 | 56.4 ± 0.25 | 56.73 ± 0.21 | 54.31 to 59.29 | min 49 | min 47 |
IV (gI2/100 g) | 88.37 ± 2.6 | 84.9 ± 2.75 | 81.24 ± 2.29 | 42.41 to 108.27 | – | – |
ADU | 1.02 ± 0.03 | 0.97 ± 0.04 | 0.92 ± 0.03 | 0.40 to 1.28 | – | – |