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J Hazard Mater. 2010 Apr 15;176(1-3):348-55. doi: 10.1016/j.jhazmat.2009.11.034. Epub 2009 Nov 13.

Adsorption of Cu(II), Hg(II), and Ni(II) ions by modified natural wool chelating fibers.

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1
Chemistry Department, Drexel University, Philadelphia, PA 19104, USA. monierchem@yahoo.com

Abstract

The graft copolymerization of ethyl acrylate (EA) onto natural wool fibers initiated by potassium persulphate and Mohr's salt redox initiator system in limited aqueous medium was carried out in heterogeneous media. Ester groups of the grafted copolymers were partially converted into hydrazide function groups followed by hydrazone formation through reaction with isatin. Also the application of the modified fibers for metal ion uptake was studied using Cu(II), Hg(II) and Ni(II). The modified chelating fibers were characterized using FTIR spectroscopy, SEM and X-ray diffraction.

PMID:
19962235
DOI:
10.1016/j.jhazmat.2009.11.034
[Indexed for MEDLINE]
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