KAROMA, MEITY JOLANDA (2025) Sintesis dan Karakterisasi Komposit Biochar Magnetit Kulit Buah Kakao Sebagai Adsorben Ion Logam Cd²⁺ dan Cr³⁺ Pada Limbah Cair Laboratorium Kimia = Synthesis and Characterization of Cocoa Pod Husk-Based Biochar-Magnetite Composite As An Adsorben For Cd²⁺ and Cr³⁺ Ions In Chemical Laboratory Wastewater. Thesis thesis, Universitas Hasanuddin.