arene

1.Application of p - Ethyltoluene、m - Ethyltoluene & o - Ethyltoluene were discussed in the paper, the method of separating them from C9 arene was tested.

了重整C9芳烃中邻、对、间3种甲乙苯的应用价值。并通过实验,提出了邻对、间位的离方案。