Chitosan preparation from white shrimp shell (Litopenaeus vannamei) for Fe(III) removal from Pontianak municipal groundwater. Stannum : Jurnal Sains dan Terapan Kimia, [S. l.], v. 7, n. 1, p. 14–24, 2025. DOI: 10.33019/jstk.v7i1.5566. Disponível em: https://journal.ubb.ac.id/index.php/stannum/article/view/5566. Acesso em: 19 jun. 2026.