Identification of large polycyclic aromatic hydrocarbons in carbon particulates formed in a fuel-rich premixed ethylene flame (Articolo in rivista)

Type
Label
  • Identification of large polycyclic aromatic hydrocarbons in carbon particulates formed in a fuel-rich premixed ethylene flame (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.carbon.2008.08.019 (literal)
Alternative label
  • Alfè M.; Apicella B; Tregrossi A.; Ciajolo A (2008)
    Identification of large polycyclic aromatic hydrocarbons in carbon particulates formed in a fuel-rich premixed ethylene flame
    in Carbon; Academic Press Ltd., Elsevier Science Ltd., London (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Alfè M.; Apicella B; Tregrossi A.; Ciajolo A (literal)
Pagina inizio
  • 2059 (literal)
Pagina fine
  • 2066 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • L'articolo è stato inserito del database WOS invertendo nome e cognome degli autori (Alfè M. è stato inserito come Michela A.) e quindi non gli è stato attribuito il numero reale di citazioni. Il problema è stato segnalato alla Thomson Reuters. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 46 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 15 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto di ricerche sulla combustione, CNR (literal)
Titolo
  • Identification of large polycyclic aromatic hydrocarbons in carbon particulates formed in a fuel-rich premixed ethylene flame (literal)
Abstract
  • Large polycyclic aromatic hydrocarbons were identified in carbon particulate sampled in a fuel-rich premixed ethylene flame. The particulate was extracted with dichloromethane (DCM) in order to separate the soluble organic species (DCM-extract) from the solid carbon (soot). After DCM extraction soot was re-extracted with N-methyl pyrrolidone (NMP) obtaining the NMP-extract. Both the DCM-extract and NMP-extract were further fractionated by size exclusion chromatography in selected molecular weight (MW) ranges. Large polycyclic aromatic hydrocarbons obtained by regular incorporation of C2 and/or C2H2 unit (24/26 rule) occurring in both odd and even series of carbon atom number of polycyclic aromatic hydrocarbons, were identified by laser desorption ionization-mass spectrometry (LDI-MS) analysis of the lighter MW fractions of both the DCM-extract and NMP-extract (100-400 u MW of the DCM-extract and 200-600 u fractions of the NMP-extract). The LDI- MS spectra of the heaviest MW fractions of DCM-extract and NMP-extract (600-2000 u and 600-5000 u fraction) showed a continuous spectrum of masses typical of polymeric structures. The UV-visible absorption and emission spectral analysis corroborated the assignment of lighter and of heavier fractions of DCM-extract and NMP-extract to PAH and to polymeric aromatic structures, respectively. (literal)
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