Table 2.

Properties of Parkia biglobosa oil used as feedstock for biodiesel production [20, 28].

Property	Testing procedure	ASTM Std.	Ghana Std. Authority	Determined value
Density at 20°C (Kg/m3)	ASTMD4052-96	860–890	870–900	916.2
Saponification value (mgKOH/g)	ASTMD4052-96	191–202	—	191.65
Kinematic viscosity at 40°C, mm2/s	ASTMD 445-06	1.9–6.0	1.5–6.5	35.70
Water content (%) w/w	AOAC 984.20-90	0.05 max	0.05 max	1.93
Free fatty acid content (%) w/w	AOAC 940.28	—	—	1.61