Research Article
Oxidation, Thermal, and Storage Stability Studies of Jatropha Curcas Biodiesel
Table 1
Physicochemical properties of JCB as per different standards.
| | S. no. | Property (unit) | ASTM D6751 | ASTM D6751 limits | IS 15607 | IS 15607 limits | JCB |
| |
1
| Flash point (°C) | D-93 | Min. 130 | IS 1448 | | 172 | |
2
| Viscosity at 40°C (cSt) | D-445 | 1.9–6.0 | IS 1448 | | 4.38 | |
3
| Water and sediment (vol%) | D-2709 | Max. 0.05 | D-2709 | Max. 0.05 | 0.05 | |
4
| Free glycerin (% mass) | D-6584 | Max. 0.02 | D-6584 | Max. 0.02 | 0.01 | |
5
| Total glycerin (% mass) | D-6584 | Max. 0.24 | D-6584 | Max. 0.24 | 0.03 | |
6
| Oxidation stability of FAME, hrs | EN14112 | 3 | EN 14112 | Min. 6 | 3.27 | |
7
| Oxidation stability of FAME blend, hrs | — | — | EN 590 | Min. 20 | — | |
8
| Free glycerol | D6584 | 0.02 (max) | D6584 | 0.02 (max) | 0.01 | |
9
| Total glycerol | D6584 | 0.25 (max) | D6584 | 0.25 (max) | 0.12 | |
10
| Acid value | D664 | 0.5 (max) | D664 | 0.5 (max) | 0.38 | |
11
| Ester content | — | — | EN14103 | 96.5 (max) | 98.5 |
|
|
