RAKHYM, A. B.; BEKTURGANOVA, U. Z.; SEILKHANOVA, G. A.; CSAVDARI, A. Chamotte clay sorbent for the extraction of lead and cadmium ions from aqueous solutions. International Journal of Biology and Chemistry, [S. l.], v. 12, n. 2, p. 129–134, 2020. DOI: 10.26577/ijbch-2019-i2-17. Disponível em: https://ijbch.kaznu.kz/index.php/kaznu/article/view/397. Acesso em: 20 jan. 2022.