Official Journal of the Japan Wood Research Society
Table 1 The FAME compositions obtained from GC–MS and the calculated IV
From: Iodine value of tung biodiesel fuel using Wijs method is significantly lower than calculated value
Olive | Castor | Soybean | Linseed | Perilla | Tung | |
|---|---|---|---|---|---|---|
Methyl palmitic acid (16:0) | 14.7 | 11.8 | 6.05 | 6.69 | 3.32 | |
Methyl palmitoleic acid (16:1) | 1.34 | |||||
Methyl stearic acid (18:0) | 2.58 | 4.51 | 3.94 | 2.07 | 2.47 | |
Methyl oleic acid (18:1) | 71.7 | 4.29 | 28.01 | 21.8 | 16.4 | 6.82 |
Methyl ricinoleic acid (18:1) | 88.2 | |||||
Methyl linoleic acid (18:2) | 9.71 | 7.47 | 49.8 | 17.9 | 16.2 | 9.04 |
Methyl linolenic acid (18:3) | 5.9 | 50.3 | 58.6 | |||
Methyl eleostearic acid (18:3) | 78.4 | |||||
Average molecular weight | 292.1 | 310.5 | 292.3 | 292.6 | 292.1 | 292.3 |
Number of olefinic protons | 0.924 | 1.07 | 1.45 | 2.09 | 2.25 | 2.60 |
Calculated IV (g I2/100 g) | 80.4 | 87.9 | 126 | 181 | 195 | 226 |