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Table 4 Physicochemical properties and characteristic of palm oil and Jatropha oil

From: Heterogeneous base catalysts for edible palm and non-edible Jatropha-based biodiesel production

Properties (unit) Palm oil Jatropha oil
Specific gravity (gcm−3) 0.860–0.90 0.914
Viscosity at 40°C (cSt) 44.2 54.8
Sulphated Ash (% mass) 0.02 0.0012
Flash point (°C) 182 235
Cloud point (°C) 15 2
Pour point 15 2
Cetane Number - 46.3
Saponification number (mg g−1) 198.9 186.48–193.32
Free Fatty acids% (Kg Kg−1 × 100) <1 9.0–12.0
Fatty acid composition (%)   
Palmitic acid (16:0) 44.2 13.8
Stearic acid (18:0) 4.5 6.8
Oleic acid (18:1) 39.6 41.7
Linoleic acid (18:2) 9.8 35.6