Konsentrasi Asam Fosfat Terhadap Karakteristik Arang Aktif Kulit Batang Sagu

This study aims to obtain selected characteristics of activated charcoal made from sago bark waste with several consentration of phosphoric acid as an activator. This study was conducted using a complete randomized design with five treatments and three replications. The treatments in this study were variations in H3PO4 concentration, namely A1 (H3PO4 5%), A2 (H3PO4 7,5%), A3 (H3PO4 10%), A4 (H3…