Abstract: In this paper, the definition, source, harm and control of VOCs are elaborated, a brief introduction of domestic relevant policies and monitoring market of VOCs is presented, and VOCs online monitoring technology and development trends are also analyzed, and the application of online monitoring for VOCs & Non-methane hydrocarbon (NMHC) with GC-FID system technology is focused on.

摘要： 本文阐述了VOCs的定义、来源、危害与控制；简要介绍了国内VOCs的相关政策及监测市场情况，分析了国内外VOCs在线监测技术及发展趋势，重点探讨了GC–FID系统技术在VOCs及NMHC在线监测的应用。