NJOKUNWOGBU, A. N.; OKOYEAGU, A.; ENE, F. C.; IYIOKU , M. U.; ENYI, C. N. SEPARATION AND INFRARED (FT-IR) CHARACTERIZATION OF AROMATIC HYDROCARBONS FROM HIGH BOILING FRACTIONS (>200 oC) OF NIGERIA CRUDE OIL (USING TRICHLOROETHYLENE AS THE ELUANT). International Research Journal of Applied Sciences, Engineering and Technology, [S. l.], v. 8, n. 8, p. 1–9, 2022. Disponível em: https://cirdjournals.com/index.php/irjaset/article/view/797. Acesso em: 22 dec. 2025.