Amalgamation and Optimization of FAEE Biodiesel Fuel from Croton macrostachyus hochst. ex Delile Seed oil Utilizing Solid Calcium Oxide-Chicken Eggshell Squander as a Heterogeneous Catalyst

Table 4

Correlation of C. M. biodiesel with standards.

Physicochemical properties	Units	C. M. biodiesel (present study)	^∗ASTM D 6751–10	^∗EN	^∗Diesel fuel	Test method
				14214
Density at 20	kg/m^3	878	875–900	860–900	840–860	(EN ISO3675 &ASTMD445)
Moisture content	% w/w	0.027	<0.03	—		EN ISO12937
Kinematic viscosity at 40	mm^2/s	4.87	1.9–6.0	3.5–5.0	1.9–3.8	ASTM D 445
Acid value	mgKOH/g	0.48	≤0.8	≤0.5	—	ASTM D 664
Ash content	% w/w	0.021	<0.03	<0.02		ASTM D482
PH	—	7.83	7–9	—	5.5–8	—
Calorific value	M. J./kg	40.2	40–42	>35		ASTM D 240
Flashpoint		198	130	120		ASTM D 93
Saponification value	mgKOH/g	120	≤215.99	≤218.79		ASTMD5558
Iodine value	g I2/100g	102.1	—	120 max	84	ASTMD 5558
Cetane number	—	56	47	51	47–55	ASTM D613

^∗Adopted from [31].