%0 Journal Article %T 低温浓缩-气相色谱/质谱法分析固定污染源废气中的丙烯腈 %T Determination of Acrylonitrile Emissions from Stationary Sources Using Cryogenic Preconcentration Followed by GC/MS %A 李军,李海燕,曹俊程 %A LI,Jun,LI,Haiyan,CAO,Juncheng %J 环境监控与预警 %@ 1674-6732 %V 9 %N 3 %D 2017 %P 24-26 %K 丙烯腈;气袋;低温浓缩;气相色谱/质谱法 %K Acrylonitrile; Air bag; Cryogenic preconcentration; GC/MS %X 建立了固定污染源废气中丙烯腈的气袋采样-低温浓缩-气相色谱/质谱分析方法。结果表明,该法在丙烯腈质量浓度16.1~4 050 μg/m3范围内具有良好的线性,相关系数R2>0.999,检出限为9.54 μg/m3,回收率、日内与日间精密度均符合质控要求,能够满足废气中丙烯腈分析的要求。 %X This study established a method for the determination of acrylonitrile using cryogenic preconcentration followed by GC/MS.The results showed that acrylonitrile was in good linearity within 16.1~4 050 μg/m3, and the correlation coefficient was larger than 0.999. The detection limit was 9.54 μg/m3. Meanwhile, the average recovery, the within day and interday RSDs also met the requirements of quality control. The recoveries of spiked samples were between 86.9% and 105.3%,which were stable enough to realize extensive use. %R %U http://www.hjjkyyj.com/hjjkyyj/ch/reader/view_abstract.aspx %1 JIS Version 3.0.0