Asmara A, Kamila N, Kamila N. OPTIMISATION OF SULFURIC ACID CONCENTRATION FOR ENHANCED FE2+ ION REMOVAL USING ACTIVATED CHARCOAL FROM BOILED PEANUT SHELLS: CHARACTERISATION AND PERFORMANCE EVALUATION . LJEE [nternet]. 2024 Nov. 5 [cited 2024 Nov. 14];5(1):10-8. vailable from: https://journal.ar-raniry.ac.id/lingkar/article/view/5080