Annex 1 – Biodiesel Specifications

This Document is Archived

Cabinet Paper - Regulating Biofuel Quality and Labelling Requirements

Hon Harry Duynhoven, Associate Minister of Energy

[ Last Updated 22 April 2008 ]

Property	Unit	Minimum	Maximum	Test Method
Ester content	% mass	96.5	-	EN 14103
Density at 15ºC	kg/m³	860	900	ASTM D1298
Viscosity at 40ºC	mm²/s	2.0	5.0	ASTM D445
Flash point	ºC	100	-	ASTM D93
Sulphur content	mg/kg	-	10	IP 497 or ASTM D5453
Carbon residue (on 100% distillation residue) or Carbon residue (on 10% distillation residue)⁶	% mass % mass	- -	0.05 0.30	ASTM D4530 ISO 10370
Cetane number		51	-	ASTM D613 or ASTM D6890
Sulphated ash content	% mass	-	0.020	ASTM D874
Water content	mg/kg	-	500	IP 438
Total contamination	mg/kg	-	24	IP 440
Copper strip corrosion (3 h at 50ºC)	rating	class 1		ASTM D130
Oxidation stability, 110ºC	hours	6.0	-	EN 14112
Acid value	mg KOH/g	-	0.50	ASTM D664
Iodine Value	g iodine/100 g	-	140	EN 14111
Linolenic acid methyl ester	% mass	-	12.0	EN 14103
Polyunsaturated (>=4 double bonds) methyl esters⁷	% mass	-	1
Methanol content	% mass	-	0.20	EN 14110
Monoglyceride content	% mass	-	0.80	ASTM D6584
Diglyceride content	% mass	-	0.20	ASTM D6584
Triglyceride content	% mass	-	0.20	ASTM D6584
Free glycerol	% mass	-	0.020	ASTM D6584
Total glycerol	% mass	-	0.25	ASTM D6584
Group l metals (Na+K) Group ll metals (Ca+Mg)	mg/kg mg/kg	- -	5.0 5.0	EN 14108 and EN 14109 EN 14538
Phosphorus content	mg/kg	-	10.0	ASTM D4951

⁶ ASTM D1160 shall be used to obtain the 10% distillation residue.

⁷ Suitable test method to be developed.

Printed: 07/09/2008