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。
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