Fractionation of the oils.
D002623:Chemistry Techniques, Analytical; D002845:Chromatography; D006838:Hydrocarbons; D008899:Mineral Oil / Q000032:analysis*; D008970:Molecular Weight; D009584:Nitrogen / Q000032:analysis; D013455:Sulfur / Q000032:analysis; D013696:Temperature
D006838:Hydrocarbons; D013455:Sulfur; D008899:Mineral Oil; D009584:Nitrogen