Testing biodiesel samples according to ASTM methods

FUEL 34

James D. Stuart, james.stuart@uconn.edu, Department of Chemistry, U-3060, University of Connecticut, 55 North Eagleville Rd., Storrs, CT 06269-3060
To characterize various student-made and commercial biodiesel (B-100) samples, six different ASTM methods have been implemented at UCONN's Biodiesel Laboratory located in the Department of Chemical Engineering. Those methods are the following:

1. Visual Inspection ASTM D4176 2. Acid Number (Manual) ASTM D664 3. Cloud Point (Automated) ASTM D2500 4. Flash Point ASTM D93 5. Viscosity Kinematic (Manual) ASTM D445 6. Free and Total Glycerin (ASTM D6584)