N-Nitrosodimethylamine Occurrence, Formation and Cycling in Clouds and Fogs

The occurrence, source, and sink processes of N-nitrosodimethylamine (NDMA) have been explored by means of combined laboratory, field, and model studies. Observations have shown the occurrence of NDMA in fogs and clouds at substantial concentrations (7.5−397 ng L−1). Laboratory studies were conducte...

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Veröffentlicht in:	Environmental science & technology 2010-11, Vol.44 (21), p.8128-8133
Hauptverfasser:	Hutchings, James W., Ervens, Barbara, Straub, Derek, Herckes, Pierre
Format:	Artikel
Sprache:	eng
Schlagworte:	Air Movements Air Pollutants - analysis Air Pollutants - chemical synthesis Air Pollutants - chemistry Applied sciences Aqueous solutions Atmosphere - chemistry Clouds Dimethylnitrosamine - analysis Dimethylnitrosamine - chemical synthesis Dimethylnitrosamine - chemistry Environmental Monitoring Environmental Processes Exact sciences and technology Fog Gases Kinetics Laboratories Models, Chemical Phase transitions Photolysis Pollution Steam - analysis Studies VOCs Volatile organic compounds Weather
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Beschreibung
Zusammenfassung:	The occurrence, source, and sink processes of N-nitrosodimethylamine (NDMA) have been explored by means of combined laboratory, field, and model studies. Observations have shown the occurrence of NDMA in fogs and clouds at substantial concentrations (7.5−397 ng L−1). Laboratory studies were conducted to investigate the formation of NDMA from nitrous acid and dimethylamine in the homogeneous aqueous phase. While NDMA was produced in the aqueous phase, the low yields (
ISSN:	0013-936X 1520-5851
DOI:	10.1021/es101698q