Nanomagnetic chelators for removal of toxic metal ions

被引：2
|
作者：
Singh, Sarika [1 ]
Barick, K. C.
Bahadur, D. [1 ]
机构：
[1] Indian Inst Technol, Dept Met Engn & Mat Sci, Bombay 400076, Maharashtra, India
来源：
SOLID STATE PHYSICS, VOL 57 | 2013年 / 1512卷
关键词：
Nanoparticles; Fe3O4; toxic metal ions; surface functionalization; waste-water; MAGNETIC NANOPARTICLES;
D O I：
10.1063/1.4791100
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Ethylenediamine trtraaceteic acid (EDTA) functionalized Fe3O4 nanomagnetic chelators (NMCs) were synthesized by co-precipitation method followed by in-situ grafting of EDTA. XRD and TEM analyses reveal the formation of highly crystalline single-phase Fe3O4 nanoparticles of size about 10 nm. Surface functionalization of Fe3O4 with EDTA was evident from FTIR spectroscopy, TGA analysis and zeta-potential measurement. These NMCs exhibit superparamagnetic behavior at room temperature with strong field dependent magnetic responsivity. It has been observed that NMCs have strong tendency for adsorption of various toxic metal ions (Ni2+, Cr3+, Cu2+, Cd2+, Co2+ and Pb2+) from waste-water. Furthermore, these magnetic chelators can be used as highly efficient separable and reusable material for removal of toxic metal ions.
引用
收藏
页码：440 / 441
页数：2
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