Abstract
A chitosan-based ferrimagnetic membrane (Chitosan/NiFe2O4) was prepared
and it showed a typical magnetization of soft ferrimagnetic material with M-s = 16 emu/g at 50 kOe and a high capacity to extract Hg(II),
Cu(II) and Zn(II) ions from aqueous solutions. These results indicate
that the Chitosan/NiFe2O4 is a good candidate to remove heavy metals
from polluted water with the possibility that its recovery can be done
by an electromagnet. (C) 2004 Elsevier B.V. All rights reserved.
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