A capillary column with wide-diameter was used to separate DMF. The detection limit could reach 0. 001mg/m~3 (the absolute value was 10~(-3)ng).

• 分析采用气相色谱法；以大口径毛细管柱分离DMF及氮磷检测器NPD检测DMF；得到了良好的分离效果和较高的灵敏度；方法的检出限可达0.；001mg/m~3(绝对检出量可达10~(-3)ng)。