Hiep, D.T., Hoa, B.T., Thanh, N.T.M., Long, N.V., Phuc, L.H. and Vương, B.X. 2020. Isothermal models of Chromium (VI) adsorption by using Fe3O4 nanoparticles: Cr(VI) adsorption on Fe3O4 nanoparticles. Metallurgical and Materials Engineering. 27, 3 (Jul. 2020), 289–299. DOI:https://doi.org/10.30544/489.