The Production of Activated Carbon From Palm Oil Trunks With Phosphoric Acid Activator (10%, 20% and 30%). ALKIMIA : Jurnal Ilmu Kimia dan Terapan, [S. l.], v. 8, n. 1, p. 35–41, 2024. DOI: 10.19109/zj5sm953. Disponível em: https://jurnal.radenfatah.ac.id/index.php/alkimia/article/view/30410.. Acesso em: 23 aug. 2025.