PUSPITASARI, Faizul; HARIMU, La; MULYANA, Wa Ode. Analysis of the Desorption Capacity of Pb2+ and Cu2+ Metals on Silica and Silica-Chitosan Adsorbents. Hydrogen: Jurnal Kependidikan Kimia, [S. l.], v. 13, n. 4, p. 942–950, 2025. DOI: 10.33394/hjkk.v13i4.16781. Disponível em: https://ojspanel.undikma.ac.id/index.php/hydrogen/article/view/16781. Acesso em: 12 jan. 2026.