摘要
挥发性有机物(VOCs)影响车内空气质量和驾乘者的身心健康。自主研发的在线挥发性有机物质谱仪(SPI-MS 2000),实现了有机物分子的单光子电离,产生无碎片的分子离子,可实现秒级响应,仪器的质量分辨率优于800 FWHM,质量精度优于0.02 amu,对甲苯的测定限优于3μg/m^3,且在3~8000μg/m^3范围内有良好的线性关系。将该仪器应用于某客车车内空气的在线检测:在5 s内检测到20多种微克~毫克每立方米量级的有机物。该仪器在车内VOCs现场快速监测方面有广泛的应用前景。
Volatile organic compounds(VOCs)in cabin of vehicles have adverse effects on air quality,and health of driver and passengers.An independent research and development on-line VOCs mass spectrometer,named SPI-MS 2000 was introduced.It could achieve single photoionization of organic compounds,and molecular ions without fragments were obtained,and it had rapid response time within second.The mass resolution of the instrument was higher than 800 FWHM,and the mass recision was better than 0.02 amu.The detection limit of toluene was better than 3μg/m3,and an excellent linear response was observed in the range of 3-8000μg/m3.The instrument was used to test the air in the cabin of a bus,and more than twenty compounds of VOCs with concentration ofμg/m3~mg/m3 were detected in 5 seconds.The instrument has a great potential application for on-site analyzing of VOCs in cabin of vehicles.
作者
刘剑
赵绍伟
王攀攀
谭国斌
吴日伟
麦泽彬
黄正旭
高伟
LIU Jian;ZHAO Shaowei;WANG Panpan;TAN Guobin;WU Riwei;MAI Zebin;HUANG Zhengxu;GAO Wei(Chongqing Vehicle Test&Research Institute,National Coach Quality Supervision&Inspection Center,Chongqing 401122;Kunshan Hexin Mass Spectrometry Technology Co.,Ltd.,Kunshan 215311;Guangzhou Hexin Instrument CO.,Ltd.,Guangzhou 510530;Institute of Mass Spectrometer and Atmospheric Environment,Jinan University,Guangzhou 510632;Guangdong Provincial Engineering Research Center for On-line Source Apportionment System of Air Pollution,Guangzhou 510632)
出处
《分析试验室》
CAS
CSCD
北大核心
2020年第4期432-437,共6页
Chinese Journal of Analysis Laboratory
基金
交通运输标准(定额)(17AKC3)
国家重点研发计划(2016YFC0201002)
广州市开发区国际合作(2017GH18)资助。
作者简介
刘剑,男(1975-),硕士,研究员。研究方向:车内空气质量及在线分析,108226687@qq.com;通信作者:谭国斌,男(1986-),博士,助理研究员。研究方向:在线质谱仪研发及应用方法开发,guobintea@163.com。
