ABSTRACT This study aims to obtain selected characteristics of activated charcoal made from palm fiber with the help of phosphoric acid as an activator. This study was conducted using a completely randomized design (CRD) with five treatments and three replications. The treatments in this study involved the use of phosphoric acid at concentrations of 10% (KS1), 12.5% (KS2), 15% (KS3), 17.5%…