CAEA

Community Alternative Energy Association: Dispersed Energy Resource Cooperative


SPECIFICATION FOR BIODIESEL (B100) – ASTM D6751-07b
March 2007
Biodiesel is defined as the mono alkyl esters of long chain fatty acids derived from vegetable oils or animal fats,for use in compression-ignition (diesel) engines. This specification is for pure (100%) biodiesel prior to use or blending with diesel fuel.

Property ASTM Method Limits Units

Calcium & Magnesium, combined
EN 14538 5 max ppm (ug/g)
Flash Point (closed cup)  D 93 93 min. Degrees C
Alcohol Control (One of the following must be met)


1. Methanol Content
EN14110 0.2 Max % volume
2. Flash Point
D93 130 Min
Degrees C
Water & Sediment D 2709 0.05 max. % vol.
Kinematic Viscosity, 40 C D 445 1.9 - 6.0 mm2/sec.
Sulfated Ash D 874 0.02 max. % mass
Sulfur
S 15 Grade

S 500 Grade

D 5453

D 5453

0.0015 max. (15)
0.05 max. (500)

% mass (ppm)

% mass (ppm)
Copper Strip Corrosion D 130 No. 3 max.
Cetane D 613 47 min.
Cloud Point D 2500 Report Degrees C
Carbon Residue 100% sample D 4530* 0.05 max. % mass
Acid Number D 664 0.50 max. mg KOH/g
Free Glycerin D 6584 0.020 max. % mass
Total Glycerin D 6584 0.240 max. % mass
Phosphorus Content D 4951  0.001 max. % mass
Distillation, T90 AET D 1160 360 max. Degrees C
Sodium/Potassium, combined EN 14538 5 max ppm
Oxidation Stability EN 14112 3 min hours

Workmanship Free of undissolved water, sediment, & suspended matter.

BOLD = BQ-9000 Critical Specification Testing Once Production Process Under Control

* The carbon residue shall be run on the 100% sample.


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