1. Synthesis and characterization of ester trimethylolpropane based Jatropha curcas oil as biolubricant base stocks;Arbain;J. Sci. Technol.,2011
2. ASTM D1957: Standard Test Method for Hydroxyl Value of Fatty Oils and Acids. 1957.
3. ASTM D1980: Standard Test Method for Acid Value of Fatty Acids and Polymerized Fatty Acids.
4. ASTM D2270: Standard Practice for Calculating Viscosity Index from Kinematic Viscosity at 40 °C and 100 °C.
5. ASTM D445: Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids and Calculation of Dynamic Viscosity.