RIYANTO, C. A.; AMPRI, M. S.; MARTONO, Y. Synthesis and Characterization of Nano Activated Carbon from Annatto Peels (Bixa orellana L.) Viewed from Temperature Activation and Impregnation Ratio of H3PO4. EKSAKTA: Journal of Sciences and Data Analysis, [S. l.], v. 20, n. 1, p. 44–50, 2020. DOI: 10.20885/EKSAKTA.vol1.iss1.art7. Disponível em: https://journal.uii.ac.id/Eksakta/article/view/13566. Acesso em: 4 may. 2024.