How to Purify and Experiment with Dye Adsorption using Carbon: Step-by-Step Procedure from Carbon Conversion from Agricultural Biomass to Concentration Measurement Using UV Vis Spectroscopy. Indonesian J. Sci. Technol. 2023;8(3):363-380. Accessed August 17, 2025. https://ejournal.kjpupi.id/index.php/ijost/article/view/24