Low molecular weight organic acids in fogwater in an urban area: Strasbourg (France)

被引：25

作者：

Millet, M ^{[1
]}

Wortham, H ^{[1
]}

Sanusi, A ^{[1
]}

Mirabel, P ^{[1
]}

机构：

[1] CTR GEOCHIM SURFACE,EQUIPE PHYSICOCHIM ATMOSPHERE,F-67083 STRASBOURG,FRANCE

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 1997年 / 206卷 / 01期

关键词：

fogwater; formic acid; acetic acid; pollution index;

D O I：

10.1016/S0048-9697(97)00216-7

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This work presents the chemical analysis of low weight carboxylic acids: formate and acetate in two droplet-size categories (2-6 and 5-8 mu m) of fogwater collected in Strasbourg (eastern France) between 1991 and 1994. For each sample, the ratio between acetate and formate was calculated, in many cases, this ratio was typically higher than one. This calculation indicates that the origin of acetate and formate can be attributed to automobile exhaust. Maximum contribution of these acids to the total free acidity of fogwater was also checked and the results show that the contribution is very low in regard to the strong mineral acids from anthropogenic origin. (C) 1997 Elsevier Science B.V.

引用

页码：57 / 65

页数：9

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