Retraction: Magnetic Fe3O4@NiO hierarchical structures: preparation and their excellent As(v) and Cr(vi) removal capabilities.
RSC Adv. 2021 Sep 15;11(49):30703. doi: 10.1039/d1ra90145a. eCollection 2021 Sep 14.
RSC Adv. 2021.
PMID: 35503421
Free PMC article.