Removal of Dye Acid Red 1 from Aqueous Solutions Using Chitosan-iso-Vanillin Sorbent Material. Indonesian J. Sci. Technol [Internet]. 2024 Jan. 11 [cited 2025 Jul. 6];5(3):352-65. Available from: https://ejournal.kjpupi.id/index.php/ijost/article/view/136