顶空气相色谱法测定盐酸喹那普利中乙腈残留量

Determination of residual acetonitrile in quinapril hydrochloride by HSGC

目的测定盐酸喹那普利中残留溶媒乙腈含量。方法采用顶空气相色谱法。结果盐酸喹那普利中残留溶媒乙腈平均回收率为 99 5 %。结论采用顶空气相色谱法测定盐酸喹那普利中残留溶媒乙腈含量 ,方法操作简单 。

Objective Residual acetonitrile in quinapril hydrochloride was determined.Methods The head-space GC was used.Result The average recovery was 99.5%.Conclusions The head-space GC method used to the determination of quinapril hydrochloride is simple,the result is credibility.