Table 1. The chemical components of Sterculia foetida biodiesel on Java Island (%)

Id Percentage of fatty acid methyl esters (%)
Palmitic acid (C17H34O2)1) Linoleic acid (C19H34O2)2) 10-Octadecynoic acid (C19H36O2)2) Oleic acid (C19H36O2)2) Sterculic acid (C20H36O2)2)
K1 13.19 7.01 3.95 4.76 66.66
K2 18.09 6.7 3.96 4.96 61.93
K3 15.18 4.81 3.6 4.94 66.64
K4 15.56 7.06 3.72 5.06 63.55
K5 14.01 9.52 3.14 4.39 64.48
K6 14.65 6.67 3.07 3.99 67.59
K7 14.68 8.86 2.84 4.37 65.09
K8 14.38 7.01 3 4.12 67.07
K9 18.02 5.93 4.83 7.12 59.3
K10 13.69 8.11 2.68 4.04 67.56
K11 17.49 5.07 5.81 6.84 59.27
K12 18.81 6.06 4.86 6.94 58.78
K13 18.12 4.59 4.67 5.5 62.98
K14 18.76 7.67 5.59 5.94 57.5
K15 15.59 7.88 4.25 4.15 63.27
K16 17.6 6.19 4.8 5.3 61.59
K17 16.02 4.47 4.01 4.49 66.47
K18 15.8 7.93 3.51 4.39 64.5
K19 17.92 7.66 5.12 6.16 58.22
K20 14.76 6.52 2.65 4.32 66.83
K21 16.68 8.98 4.36 4.58 60.97
K22 15.85 4.82 4.23 4.61 66.13
K23 14.55 9.15 3.2 5.15 63.11
K24 11.95 7.98 2.3 4.21 69.16
K25 14.06 8.05 3.01 4.78 65.57
Max 18.81 9.52 5.81 7.12 69.16
Min 11.95 4.47 2.3 3.99 57.5
K: S. foetida biodiesel.
Saturated fatty acid methyl ester.
Unsaturated fatty acid methyl ester.