FAUZI, R. A.; RAHMAYANTI, M. OPTIMASI pH DAN WAKTU REAKSI ADSORPSI INDIGOSOL BLUE O4B MENGGUNAKAN ASAM HUMAT TERMODIFIKASI MAGNETIT (HA/Fe3O4). Analit : Analytical and Environmental Chemistry, [S. l.], v. 5, n. 02, p. 135–142, 2020. DOI: 10.23960/aec.v5i2.2020.p135-142. Disponível em: https://analit.fmipa.unila.ac.id/index.php/analit/article/view/68. Acesso em: 25 aug. 2026.