NATURE OF UNRESOLVED COMPLEX MIXTURE IN SIZE-DISTRIBUTED EMISSIO...

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Courtesy Recent Science Inventory records from the EPA  Tue, 07/14/2009 - 13:52

In this study, the unresolved complex mixture (UCM) in size resolved fine aerosol emissions from residential wood combustion (RWC) is examined.

The aerosols are sorted by size in an electrical low-pressure impactor (ELPI) and subsequently analyzed by thermal desorbtion/gas chromatography/mass spectrometry (TD/GC/MS).

A semiquantitative system for predicting the branched alkane, cycloakane, alkylbenzene, C3-,C4-,C5-alkylbenzene, methynaphthanlene, C3-, C4-, C5-alkylnaphthalene, methylphenathrene C2-, C3-alkylphenathrene and dibenzothiophene concentrations in the UCM is introduced.

Analysis by TD/GS/MS detects UCM on each ELPI stage for all six...


 

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