Research Article
Production of Biodiesel (B100) from Jatropha Oil Using Sodium Hydroxide as Catalyst
Table 4
Characterization of the biodiesel produced.
| Property | Unit | Limit (ASTMD6751) | Result |
| Specific gravity | kg/L | 0.95 max | 0.90 | Kinematic viscosity | c.s.t | 1.9–6.0 | 4.93 | Cloud point |
°F | 40 max | 37 | Flash point |
°F | 130 min | 138 | Cetane number | — | 40 min | 52 | Water by distillation | % vol | 0.5 max | Trace | Free glycerin | % mass | 0.02 max | 0.05 | Total glycerin | % mass | 0.24 min | 0.32 | Ash content | % wt | 0.1 max | ND | Carbon residue | % wt | 15 max | ND | Gross calorific value | cal/gm | 10600 min | ND |
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ND: not determined.
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