Adsorption Study of Carbon Chitosan Composite Beads from Ketapang Fruit Shell (Terminalia catappa L) on Methylene Blue Dyes: Kajian Adsorpsi Beads Komposit Kitosan Karbon Cangkang Buah Ketapang (Terminalia catappa L) Terhadap Zat Warna Metilen Biru. Stannum. 2024;6(2):115-121. doi:10.33019/jstk.v6i2.5631