POLYMER PURITY: ADVANCEMENTS IN SOLVENT-BASED PLASTIC SEPARATION AND EXTRACTION. International Journal of Advance Scientific Research, [S. l.], v. 4, n. 05, p. 01–07, 2024. DOI: 10.37547/ijasr-04-05-01. Disponível em: https://sciencebring.com/index.php/ijasr/article/view/727. Acesso em: 8 jul. 2025.