Arenas-Diaz J, Palacio Lozano D, Ramirez X, Cabanzo R, Guzman A, Mejia-Ospino E. Chemical Characterization of Polar Species in Colombian Vacuum Residue and Its Supercritical Fluid Extraction Subfractions Using Electrospray Ionization FT-ICR Mass Spectrometry. Chemical Engineering Transactions [Internet]. 20Mar.2017 [cited 17Jul.2024];57:1603-8. Available from: https://www.cetjournal.it/index.php/cet/article/view/CET1757268