大气中乙二醛光谱分析方法的研究进展  

Research Progress of Spectral Analysis Methods of Atmospheric Glyoxal

作　　者：王志宇 李剑[1] 杨航 刘庆辉 张玮川 李艳[1] Wang Zhiyu;Li Jian;Yang Hang;Liu Qinghui;Zhang Weichuan;Li Yan(National-Local Joint Engineering Research Center of Heavy Metals Pollutants Controlar and Resource,Nanchang Hangkong University,Jiangxi,330063)

机构地区：[1]南昌航空大学重金属污染物控制与资源化国家地方联合工程研究中心,江西330063

出　　处：《当代化工研究》2021年第1期1-3,共3页Modern Chemical Research

基　　金：国家自然科学基金项目(No.21467018);江西省教育厅项目(No.GJJ170576);南昌航空大学研究生创新基金项目(No.YC201 9007)。

摘　　要：乙二醛是最小的α二羰基化合物,是大气中多种挥发性有机物氧化的典型中间产物,在对二次有机气溶胶(SOA)的形成中有着非常重要的作用。该文章介绍了大气中乙二醛光谱分析的检测方法,包括差分吸收光谱技术(DOAS)、腔增强吸收光谱技术(CEAS)、激光诱导磷光技术(LIP)等技术的光谱分析方法。并对该类方法的原理、特点、应用和研究进展等方面进行了系统的总结和评述,指出当前乙二醛分析方法所存在的局限性,并对以后分析方法的改进方向提出展望。Glyoxal is the simplestα-dicarbonyl compound,is a typical intermediate for the oxidation of various volatile organic compounds in the atmosphere,and plays an important role in the formation of secondary organic aerosol(SOA).Various approaches for the determination of atmospheric glyoxal appearing in literature were described,including difference optical absorption spectroscopy(DOAS),cavity enhanced absorption spectroscopy(CEAS),laser induced phosphor technology(LIP),and other technology of spectral analysis method.The principle,characteristics,application and research progress of the methods were systematically summarized and reviewed.The limitations of the current analytical methods for glyoxal were pointed out,and the improvement direction of the analytical methods in the future was prospected.

关 键 词：乙二醛 光谱法 检测限 分析方法 

分 类 号：X511[环境科学与工程—环境工程]