Aerosol formation yields from the reaction of catechol with ozone

被引：40

作者：

Coeur-Tourneur, Cecile ^{[1
]}

Tomas, Alexandre ^{[2
]}

Guilloteau, Angelique ^{[2
,5
]}

Henry, Francoise ^{[1
]}

Ledoux, Frederic ^{[1
]}

Visez, Nicolas ^{[2
]}

Riffault, Veronique ^{[2
]}

Wenger, John C. ^{[3
,4
]}

Bedjanian, Yuri ^{[5
]}

机构：

[1] Univ Littoral Cote dOpale, CNRS, UMR 8101, Physicochim Atmosphere Lab, F-62930 Wimereux, France

[2] Ecole Mines, Dept Chim & Environm, F-59508 Douai, France

[3] Natl Univ Ireland Univ Coll Cork, Dept Chem, Cork, Ireland

[4] Natl Univ Ireland Univ Coll Cork, Environm Res Inst, Cork, Ireland

[5] CNRS, Inst Combust Aerotherm React & Environm, F-45071 Orleans, France

来源：

ATMOSPHERIC ENVIRONMENT | 2009年 / 43卷 / 14期

关键词：

Catechol; Secondary organic aerosol yields; Smog chamber; SECONDARY ORGANIC AEROSOL; GAS-PHASE REACTION; OH-INITIATED OXIDATION; HYDROXYL RADICALS; P-CRESOL; M-XYLENE; AROMATIC-HYDROCARBONS; ABSORPTION-MODEL; PHOTOOXIDATION; BENZENE;

D O I：

10.1016/j.atmosenv.2008.12.054

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The formation of secondary organic aerosol from the gas-phase reaction of catechol (1,2-dihydroxybenzene) with ozone has been studied in two smog chambers. Aerosol production was monitored using a scanning mobility particle sizer and loss of the precursor was determined by gas chromatography and infrared spectroscopy. whilst ozone concentrations were measured using a UV photometric analyzer. The overall organic aerosol yield (Y) was determined as the ratio of the suspended aerosol mass corrected for wall losses (M-0) to the total reacted catechol concentrations, assuming a particle density of 1.4 g cm(-3). Analysis of the data clearly shows that Y is a strong function of M-0 and that secondary organic aerosol formation can be expressed by a one-product gas-particle partitioning absorption model. The aerosol formation is affected by the initial catechol concentration, which leads to aerosol yields ranging from 17% to 86%. The results of this work are compared to similar studies reported in the literature. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：2360 / 2365

页数：6

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