2-氯-5-三氟甲基吡啶氟化过程的气相色谱法控制检测在工业生产上的应用

Analysis for 2-chloro-5-trifluorometyl Pyridine by Gas Chromatography

采用气相色谱法,对生产中的氟化过程进行检测控制,解决了2-氯-5-三氟甲基吡啶的深度控制问题。同时,可对最终产品进行定量分析。该方法的相对标准偏差为0.33%,平均回收率为100.2%。

The gas chromatography method was applied to quantitative analysis of 2-chloro-5-trifluorometyl pyridine. The coefficient of variation was 0.33% and the average recovery was 100.7%. The question of the control depth of chlorine acceded to vinyl cyanide was settled by this method.