Oxygen speciation in upgraded fast pyrolysis bio-oils by comprehensive two-dimensional gas chromatography Omais, Badaoui ; Crepier, Julien ; Charon, Nadège ; Courtiade, Marion ; Quignard, Alain ; Thiébaut, Didier Abstract Publication: The Analyst Pub Date: 2013 DOI: 10.1039/c2an35597c Bibcode: 2013Ana...138.2258O