Residual oil samples were separated in an alumina packing column by flushing with different solvents, and saturated hydrocarbons, aromaties, resinous substance and asphalt were obtained.

• 用氧化铝作填充柱,渣油试样用不同溶剂进行冲洗后,可分离为饱和烃、芳烃、胶质和沥青质。