The Use of Tea leaves Wastes to reduce Hexavalent Chromium Concentration in industrial Waste Water by Adsorption. Baghdad Science Journal, Iraq, Baghdad, v. 11, n. 2, p. 1067–1073, 2014. DOI: 10.21123/bsj.2014.11.2.1067-1073. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2730.. Acesso em: 5 may. 2024.