【摘要】 介绍了一种环境空气气态汞在线监测设备,提出一种汞富集解吸方法与冷原子吸收法相结合的测量方法,并利用汞标准气发生器发生定量汞标准气对系统进行了性能测试。实验结果表明,该设备可实现对环境空气气态汞在线监测,能够为环境空气中重金属汞质量评估提供数据支撑,健全系统测试、获取更多数据是接下来需要做的工作。更多还原

【Abstract】 This paper introduces a kind of ambient air gaseous mercury on-line monitoring equipment,proposes a method for the combination of mercury enrichment desorption with cold atoms absorption.Experimental results show that the device can realize on-line monitoring of ambient air gaseous mercury concentration,and provide data support for heavy metal mercury quality assessment of air environment.更多还原