Characterization of Cassava (Manihot esculenta Crantz) Peel Activated Carbon based on Impregnation Ratio and Activation Temperature: Karakterisasi Karbon Aktif Kulit Singkong (Manihot esculenta Crantz) Berdasarkan Rasio Impregnasi dan Suhu Aktivasi. Stannum. 2022;4(1):19-26. doi:10.33019/jstk.v4i1.2533