KHOSHHESAB, Z. M. Magnetic Solid Phase Extraction of Au(III) using Fe3O4 Nanoparticles Prior to its Flame Atomic Absorption Spectrometric Determination. JOURNAL OF ADVANCES IN CHEMISTRY, [S. l.], v. 6, n. 2, p. 990–998, 2017. DOI: 10.24297/jac.v6i2.6581. Disponível em: https://rajpub.com/index.php/jac/article/view/6581. Acesso em: 7 may. 2024.