FAME Storage Time in an Optimized Natural Antioxidant Mixture

Table 1

Conformity parameters of B100 biodiesel from soybean.

Characteristic	Method	Unity	Limit	Result
Specific mass at 20°C	ASTM D4052	Kg m^−3	850–900	890
Flash point	ASTM D93	°C	Min. 100	150.4
Acidity	ASTM D664	mg KOH g^−1	Max. 0.50	0.19
Free glycerin	ASTM D 6584	% weight	Max. 0.02	0.013
Total glycerin	ASTM D 6584	% weight	Max. 0.25	0.160
Monoglycerides	ASTM D 6584	% weight	0.80	1.490
Diglycerides	ASTM D 6584	% weight	0.20	0.251
Triglycerides	ASTM D 6584	% weight	0.20	N.D.^a
Methanol	EN 14110	% weight	Max. 0.20	N.D.^a
Esters content	EN 14103	% weight	Min. 96.5	98.15
Induction period at 110°C	EN 14112	Hours	Min. 6	3.56

aN.D.: Not detected.