“A Laboratory Study for Alginate Hydrogel Extracted from the Brown Marine Algae (Sargassum Vulgare) for the Simultaneous Removal of Lead (Pb²⁺), Cadmium (Cd²⁺), and Copper (Cu²⁺) Ions from Aqueous Solutions ”. Latakia University (formerly Tishreen) Journal for Research and Scientific Studies - Basic Sciences Series, vol. 48, no. 2, June 2026, pp. 85-94, https://journal.latakia-univ.edu.sy/index.php/bassc/article/view/21610.