Because of the influence of amine , the content of benzimidazole derivative obtained by the traditional chemical titration method was inaccuracy, even exceeded 100%.

• 传统非水滴定方法分析苯并咪唑衍生物的含量,由于受到杂质中胺类化合物的影响,造成结果偏高,甚至达到100%25以上。