卷烟滤嘴中邻苯二甲酸酯的GC/MS测定

为了测定卷烟滤嘴中邻苯二甲酸酯( PAEs)的含量,考察了萃取方式、萃取溶剂、超声条件和检测条件对测定结果的影响,建立了同时测定卷烟滤嘴中17种PAEs的方法,并采用该方法检测了45个卷烟滤嘴中的PAEs.结果表明:①用水、乙醇和正己烷超声萃取30 min效果较好；②该法的回收率为87.0％～105.8％,RSD为2.6％～5.4％；③45个卷烟滤嘴样品中,有14个样品中检出PAEs,总检出率为31.11％.其中,4个样品中检出邻苯二甲酸二正丁酯,检出率8.88％；7个样品中检出邻苯二甲酸二异丁酯,检出率15.56％；8个样品中检出邻苯二甲酸二(2-乙基)已酯,检出率17.78％.该方法适用于卷烟滤嘴中PAEs的同时测定.

Determination of Phthalic Acid Esters in Cigarette Filter by GC/MS

A method for simultaneously determining 17 phthalic acid esters(PAEs)in cigarette filter was established with GC/MS.The parameters such as extraction mode,extraction solvent,extraction condition,detection condition were tested,and 45 cigarette samples were detected.The results showed that: 1)ultrasonic extraction with water and ethanol mixture for 30 minutes was effective;2)the recoveries of the 17 PAEs ranged from 87.0% to 105.8% with the relative standard deviations(RSDs)of 2.6% to 5.4%;3)PAEs were found in 14 samples,the detectable rate was 31.11%,in which dibutyl phthalate(DBP)was found in 4 samples with the detectable rate of 8.88%;diisobutyl phthalate(DIBP)was found in 7 samples with the detectable rate of 15.56%;and di(2-ethylhexyl)phthalate(DEHP)was found in 8 samples with the detectable rate of 17.78%.This method is suitable for simultaneously determining PAEs in cigarette filter.