1. Acid value;American Oil Chemists Society,1994
2. Lovibond method using colored glasses calibrated in accordance with the Lovibond tintometer color scale;American Oil Chemists Society,1994
3. Peroxide value acetic acid–isooctane method;American Oil Chemists Society,1994
4. Standard Method of Test for Viscosity of Transparent and Opaque Liquids (Kinematic and Dynamic Viscosities) ASTM (D 445-65);American Society for Testing Materials (ASTM),1991
5. Standard Method for Calculating Viscosity Index from Kinematic Viscosity at 40 and 100°C ASTM (D 2270-79);American Society for Testing Materials,1991