Optimasi Waktu Aktivasi Secara Kimia Menggunakan Asam Fosfat Terhadap Karakte…

ABSTRACT This study aims to obtain the activation time using phosphoric acid (H3PO4) activated charcoal from Pangi fruit shells (Pangium edule Reinw.). This research was conducted experimentally using a completely randomized design (CRD) consisting of five treatments and three replications to obtain 15 experimental units. The treatments in this study were P1 (20 hours of immersion), P2 (21 hou…