A sampling system and a feasible method are developed to realize a discontinuous on-line analysis for carbon monoxide and methane in argon cover gas system.

• 通过热导检测器使出口气体可以排放人通风系统，避免了使用氢火焰离子化检测器以后，放射性氩气扩散排放到气体分析实验室产生工作环境的放射性污染问题。