Removing Water Vapor Interference in Peroxy Radical Chemical Amplification with a Large Diameter Nafion DryerClick to copy article linkArticle link copied!
- Chengqiang YangChengqiang YangLaboratory of Atmospheric Physico-Chemistry, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, Anhui, ChinaSchool of Environmental Science and Optoelectronic Technology, University of Science and Technology of China, Hefei 230026, Anhui, ChinaMore by Chengqiang Yang
- Weixiong Zhao*Weixiong Zhao*Tel.: +86-551-65591961; Fax: +86-551-65591560; E-mail: [email protected] (W. Zhao)Laboratory of Atmospheric Physico-Chemistry, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, Anhui, ChinaMore by Weixiong Zhao
- Bo FangBo FangLaboratory of Atmospheric Physico-Chemistry, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, Anhui, ChinaMore by Bo Fang
- Xuezhe XuXuezhe XuLaboratory of Atmospheric Physico-Chemistry, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, Anhui, ChinaMore by Xuezhe Xu
- Yang ZhangYang ZhangLaboratory of Atmospheric Physico-Chemistry, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, Anhui, ChinaMore by Yang Zhang
- Yanbo GaiYanbo GaiLaboratory of Atmospheric Physico-Chemistry, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, Anhui, ChinaMore by Yanbo Gai
- Weijun Zhang*Weijun Zhang*E-mail: [email protected] (W. Zhang)Laboratory of Atmospheric Physico-Chemistry, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, Anhui, ChinaSchool of Environmental Science and Optoelectronic Technology, University of Science and Technology of China, Hefei 230026, Anhui, ChinaMore by Weijun Zhang
- Dean S. VenablesDean S. VenablesSchool of Chemistry and Environmental Research Institute, University College Cork, Cork T23 XE10, IrelandMore by Dean S. Venables
- Weidong ChenWeidong ChenLaboratoire de Physicochimie de l’Atmosphère, Université du Littoral Côte d’Opale, 59140 Dunkerque, FranceMore by Weidong Chen
Abstract
![Abstract Image](/cms/10.1021/acs.analchem.7b04830/asset/images/medium/ac-2017-04830f_0007.gif)
The chemical amplification (PERCA) method has been widely used for measuring peroxy radical concentrations in the troposphere. The accuracy and sensitivity of the method is critically dependent on the chain length (CL)—that is, the number of radical amplification cycles. However, CL decreases strongly with higher relative humidity (RH). So far, there does not appear to be a method to overcome this impact. Here we report the development of a Nafion dryer based dual-channel PERCA instrument. The large diameter Nafion dryer efficiently removes water vapor in milliseconds and minimally affects the sample. The low losses of peroxy radicals on the Nafion membrane make it an attractive tool for raising the CL, and thereby the measurement accuracy and sensitivity of PERCA systems. The reported instrument demonstrates this promising and simple method to minimize water vapor interference.
Cited By
This article is cited by 8 publications.
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- Jiaxin Guo, Jung-Gil Lee, Tian Tan, Joonho Yeo, Pak Wai Wong, Noreddine Ghaffour, Alicia Kyoungjin An. Enhanced ammonia recovery from wastewater by Nafion membrane with highly porous honeycomb nanostructure and its mechanism in membrane distillation. Journal of Membrane Science 2019, 590 , 117265. https://doi.org/10.1016/j.memsci.2019.117265
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- Cheng Sun, Shaohua Li, Wei Zhou, Wenjuan Peng, Chao Gao, Yawei Li, Hui Wang. Design an Ultra-low Adsorption Gas Sampling System for Ozone and Photochemical Continuous Online Monitoring Instruments. 2019, 1059-1062. https://doi.org/10.1109/ICCSE.2019.8845479
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