Journal Pre-proof Phosphoric acid modified kenaf fiber (K-PA) as green adsorbent for the removal of copper (II) ions towards industrial waste water effluents Muhammad Raznisyafiq Razak, Nor Azah Yusof, Ahmad Zaharin Aris, Hanisah Mohmad Nasir, Md. Jelas Haron, Nor Azowa Ibrahim, Ili Syazana Johari, Sazlinda Kamaruzaman PII: S1381-5148(19)30907-1 DOI: https://doi.org/10.1016/j.reactfunctpolym.2019.104466 Reference: REACT 104466 To appear in: Reactive and Functional Polymers Received date: 4 September 2019 Revised date: 23 December 2019 Accepted date: 31 December 2019 Please cite this article as: M.R. Razak, N.A. Yusof, A.Z. Aris, et al., Phosphoric acid modified kenaf fiber (K-PA) as green adsorbent for the removal of copper (II) ions towards industrial waste water effluents, Reactive and Functional Polymers (2020), https://doi.org/ 10.1016/j.reactfunctpolym.2019.104466 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.