PHYSICOCHEMICAL ANALYSIS OF THE COMPOSITION OF HIGH-OCTANE ADDITIVES DERIVED FROM FRACTIONATED WASTE HEAVY HEXANE. INTERNATIONAL JOURNAL OF SCIENCE AND TECHNOLOGY, [S. l.], v. 3, n. 03, p. 9–16, 2026. DOI: 10.70728/tech.v3.i03.003. Disponível em: https://science-technology.uz/index.php/journal/article/view/707. Acesso em: 20 feb. 2026.