Keywords Non-aqueous titration;Dimethylallylamine;Glacial acetic acid;Mixed acylating agent;Hyperchloric acid-acetic acid mixture as standard titrant;Crystal violet;

• 非水滴定;二甲基烯丙基胺;冰乙酸;甲酸-乙酸酐混合酰化剂;高氯酸-冰乙酸标准液;结晶紫;