http://www.cnr.it/ontology/cnr/individuo/prodotto/ID42547
Mass spectrometric analysis of large PAH in a fuel-rich ethylene flame (Articolo in rivista)
- Type
- Label
- Mass spectrometric analysis of large PAH in a fuel-rich ethylene flame (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.proci.2006.08.014 (literal)
- Alternative label
Apicella, B.; Carpentieri, A.; Alfè, M.; Barbella, R.; Tregrossi, A.; Pucci, P.; Ciajolo, A. (2007)
Mass spectrometric analysis of large PAH in a fuel-rich ethylene flame
in Proceedings of the Combustion Institute
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Apicella, B.; Carpentieri, A.; Alfè, M.; Barbella, R.; Tregrossi, A.; Pucci, P.; Ciajolo, A. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR-IRC
UNIV. FEDERICO II FACOLTA' DI INGEGNERIA DIP. INGEGNERIA CHIMICA (literal)
- Titolo
- Mass spectrometric analysis of large PAH in a fuel-rich ethylene flame (literal)
- Abstract
- Mass spectrometric analysis by laser desorption-time of flight-mass spectrometry (LDI-TOF-MS) was
exploited to extend the detection of flame-formed polycyclic aromatic hydrocarbons (PAH) up to the mass
limit of the first soot particles (>2000 Da) in the soot formation region of a premixed fuel-rich (C/O = 1)
ethylene flame. The typical decreasing intensity of PAH ion peaks with increasing mass was found in the
mass range m/z 500-1700 although a slight enrichment in the heavier part of PAH could be observed to
occur along the flame axis. The separation by means of size exclusion chromatography (SEC) into two different
classes of PAH followed by UV-visible spectroscopy corroborated the mass spectral identification of
large mass PAH. Critical examination of mass spectral features and SEC separation was the starting point
for speculation about the changes occurring in PAH growth from planar to concave structures which could
be important for soot inception mechanisms. (literal)
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