Influence of Sonication Amplitude on Surface Perforation of Chitosan Macrobeads and Impact on Dye Adsorption. IEM Journal, [S. l.], v. 87, n. 2, 2026. DOI: 10.54552/v87i2.324. Disponível em: https://iemjournal.com.my/index.php/iem/article/view/324. Acesso em: 20 aug. 2026.