Studies on Removal of Hexavalent Chromium Ion from Aqueous Solution Using Polyaniline Composite. Al-Nahrain Journal of Science, [S. l.], v. 19, n. 2, p. 58–68, 2018. Disponível em: https://mail.anjs.edu.iq/index.php/anjs/article/view/233.. Acesso em: 5 nov. 2024.