SYNTHESIS AND CHARACTERIZATION OF ACRYLIC ACID-MODIFIED OCIMUM BASILICUM HYDROGEL AS A SUSTAINABLE ADSORBENT FOR COBALT ION REMOVAL FROM AQUEOUS SOLUTIONS. FMHR [Internet]. 2025 Dec. 22 [cited 2026 Nov. 10];3(10):709-27. Available from: https://fmhr.net/index.php/fmhr/article/view/1784