The detectable limit for EPT in propylene is 10ppm, the recovery efficiency is greater than 95%, and the relative standard deviation is less than 6%.

• 叙述了用顶端空间气相色谱技术测定聚丙烯中ppm级对甲基苯甲酸乙酯(简称EFT),可定量检出残留在聚丙烯中低达10ppm的EPT,相对标准偏差小于6%25,回收率大于95%25。