Effect of humidity on atmospheric VOCs measurement

Autor:	Yaolong Shi, Xiao Han, Man Wang, Zhen Wang, Zhe Bi
Rok vydání:	2021
Předmět:	Environmental chemistry Humidity Environmental science
Zdroj:	IOP Conference Series: Earth and Environmental Science. 621:012139
ISSN:	1755-1315 1755-1307
Popis:	Trace volatile organic compounds (VOCs) play an important role in physic-chemical processes of the troposphere. Accurate measurement of ambient VOCs is needed. However, the determination of VOCs is difficult due to the large amount of water in atmosphere. A dynamic dilution and humidifying system was developed to study the impact of water on ambient VOCs measurement. Result showed that the deviation of aldehydes and ketones was much larger comparing with the BTEX compounds. And the C10-C11 compounds were more susceptible to air humidity compared with C6-C8 compounds. This showed that the hydrophilic compounds and compounds with high carbon number were more susceptible to air humidity comparing with hydrophobic compounds and compounds with lower carbon number.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::22a994646ac0c004cc2c62a2effbfe8f https://doi.org/10.1088/1755-1315/621/1/012139 Zobrazit plný text záznamu