HANIFAH, Sarina; RUSNADI, Rusnadi; STIAWAN, Elva; WIDIANTI, Riskia Chandra. Column Study and Desorption Performance of Coffee Biomass-Calcium-Alginate Beads to Remove Pb²⁺ Ions from Aqueous Solutions . Jurnal Riset Sains dan Kimia Terapan, [S. l.], v. 11, n. 1, p. 1–10, 2025. DOI: 10.21009/JRSKT.111.01. Disponível em: https://journal.unj.ac.id/unj/index.php/jrskt/article/view/55792. Acesso em: 19 may. 2026.