Improved injector, gas line and valve driving model of a GC equipped with ECD,the system can continuously measure CFC 11 and CFC 12 in an air sample simultaneously in ten minutes.

• 基于气相色谱仪 (GC)和电子捕获检测器 (ECD) ,设计了一种连续测量大气中痕量氯氟烃的自动系统。