TITLE

Characterization of selected organic compound classes in secondary organic aerosol from biogenic VOCs by HPLC/MS n

AUTHOR(S)
Reinnig, Marc-Christopher; Müller, Lars; Warnke, Jörg; Hoffmann, Thorsten
PUB. DATE
May 2008
SOURCE
Analytical & Bioanalytical Chemistry;May2008, Vol. 391 Issue 1, p171
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The formation of secondary organic aerosols (SOA) has been investigated intensively during the last two decades in numerous field and laboratory studies and a general understanding exists about the major particle-phase products. However, recent studies show that several new product classes, such as esters, peroxides or organosulfates, also have to be considered in order to understand the detailed chemical mechanisms leading to SOA as well as to predict the aerosol mass loadings. For the identification and quantification of these three compound classes as well as for carboxylic SOA compounds, liquid chromatography (LC)/mass spectrometry (MS) is the most appropriate analytical method. In this article we try to summarize briefly the work that has been done for the determination of SOA-related carboxylic acids and we present new LC/tandem MS results on the characterization of esters, peroxides and organosulfates. In contrast to earlier work, the mass-spectrometric characterization of the individual compounds is always based on the comparison with authentic reference compounds.
ACCESSION #
31722439

 

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