Journal Pre-proof Surface modiﬁcations of nanochitosan coated magnetic nanoparticles and their applications in Pb(II), Cu(II) and Cd(II) removal Asmaa N.A. Hosain, Ahmed El Nemr, Amany El Sikaily, Mohamed E. Mahmoud, Mohamed F. Amira PII: S2213-3437(20)30665-5 DOI: https://doi.org/10.1016/j.jece.2020.104316 Reference: JECE 104316 To appear in: Journal of Environmental Chemical Engineering Received Date: 20 April 2020 Revised Date: 14 June 2020 Accepted Date: 25 July 2020 Please cite this article as: { doi: https://doi.org/ This is a PDF ﬁle of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the deﬁnitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its ﬁnal form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Published by Elsevier.