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.

通过改变反应条件,研究了硫混酸对甲一段物的邻对异构体比例、二程度及2,6-二基甲与2,4-二基甲生成比例的影响。