TABLE 3.
Reported Fatty Acid Methyl Esters in Energy Crop Cocklebur Biofuel, With Retention Time and %tage using GC/MS.
| Sr. No. | Identified fatty acid methyl esters | Formula of FAME | Retention time | %Age of compounds |
| 01 | Hexanoic acid methyl ester | C6:0 | 2.934 | 0.001 |
| 02 | Caprylic acid methyl ester | C8:0 | 4.739 | 0.001 |
| 03 | Capric acid methyl ester | C10:0 | 6.476 | 0.002 |
| 04 | Lauric acid methyl ester | C12:0 | 8.077 | 0.008 |
| 05 | Tridecanoic acid methyl ester | C13:0 | 8.673 | 0.001 |
| 06 | Myristic acid methyl ester | C14:0 | 10.168 | 0.034 |
| 07 | Pentadecanoic acid methyl ester | C15:0 | 11.627 | 0.012 |
| 08 | Palmitic acid methyl ester | C16:0 | 13.424 | 2.251 |
| 09 | Palmitoleic acid methyl ester | C16:1 | 13.878 | 0.155 |
| 10 | Margaric acid methyl ester | C17:0 | 15.5 | 0.021 |
| 11 | Heptadecenoic acid methyl ester | C17:1 | 15.943 | 0.016 |
| 12 | Stearic Acid methyl ester | C18:0 | 17.897 | 1.355 |
| 13 | Oleic Acid methyl ester | C18:1c | 18.375 | 11.872 |
| 14 | Elaidic acid methyl ester | C18:1n9t | 18.506 | 1.133 |
| 15 | Linolenic acid methyl ester | C18:2c | 19.659 | 16.419 |
| 16 | Octadecadienoic acid methyl ester | C18:2t | 19.817 | 0.049 |
| 17 | Linolenic acid methyl ester | C18:3n3 | 21.743 | 9.453 |
| 18 | Arachidic acid methyl ester | C20:0 | 24.661 | 0.96 |
| 19 | 11-Eicosadienoic acid methyl ester | C20:1c | 25.315 | 8.011 |
| 20 | 11, 14-Eicosadienoic acid methyl ester | C20:2c | 26.948 | 0.568 |
| 21 | Heneicosanoic acid methyl ester | C21:0 | 28.368 | 0.007 |
| 22 | 11, 14, 17-Eicosanoic acid methyl ester | C20:1n9 | 29.259 | 0.091 |
| 23 | Behenic acid methyl ester | C22:0 | 31.994 | 0.834 |
| 24 | Erucic acid methyl ester | C22:1n9 | 33.91 | 42.034 |
| 25 | 13, 16-Eicosadienoic acid methyl ester | C22:2c | 35.03 | 0.751 |
| 26 | Tricosanoic acid methyl ester | C23:0 | 35.03 | 0.02 |
| 27 | Lignoceric acid methyl ester | C24:0 | 38.08 | 0.246 |
| 28 | Nervonic acid methyl ester | C24:1 | 38.611 | 1.166 |