Retraction: Magnetic Fe3O4@NiO hierarchical structures: preparation and their excellent As(v) and Cr(vi) removal capabilities
Abstract
Retraction of ‘Magnetic Fe3O4@NiO hierarchical structures: preparation and their excellent As(V) and Cr(VI) removal capabilities’ by Shouwei Zhang et al., RSC Adv., 2013, 3, 2754–2764, DOI: 10.1039/C2RA22495J.