The Use of Tea leaves Wastes to reduce Hexavalent Chromium Concentration in industrial Waste Water by Adsorption. Baghdad Sci.J [Internet]. 2025 Mar. 4 [cited 2026 Jul. 5];11(2):1067-73. Available from: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/2730