Hasra, P.R., Yangti, I., Gusti, H.I. and Karneng, S. 2025. Characterization of Pineapple Peel Activated Carbon (Ananas comosus) as an Iron (Fe) Heavy Metal Adsorbent with NaOH and NH4OH Activators. Jurnal Beta Kimia. 5, 2 (Nov. 2025), 33-40. DOI:https://doi.org/10.35508/jbk.v5i2.23248.