The isomer ratio of o-MNT to p-MNT,the degree of dinitration and the ratio of 2,6-DNT to 2,4-DNT have been investigated in the mononitration product of toluene by mixed acid.

通变反应条件,研究了硝硫混酸硝化剂对甲一段硝化产物的邻对异构体比例、二硝化2,6-二硝基甲与2,4-二硝基甲生成比例的影响。