Preparation, characterization and application of Ni-doped magnetite

被引：26
|
作者：
Ramadan, Rania [1 ]
机构：
[1] Cairo Univ, Fac Sci, Phys Dept, Mat Sci Lab 1, Giza, Egypt
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2019年 / 125卷 / 09期
关键词：
FE3O4; NANOPARTICLES; FERRITE; REMOVAL; SINGLE; NANOCOMPOSITE; PERFORMANCE; CU(II); WATER; IONS; LEAD;
D O I：
10.1007/s00339-019-2887-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ni-doped magnetite nanoparticles with the formula Ni0.1Fe2.9O4 have been synthesized successfully by co-precipitation method. The prepared sample was characterized using X-ray diffraction, FTIR, field emission scanning electron microscopy, EDX and surface area analysis (BET). The magnetic properties were studied by VSM and faraday's method; the sample shows ferrimagnetic behavior. Conductivity as well as activation energy was measured and calculated using LCR bridge; the sample shows semiconductor behavior. The prepared sample has a very good efficiency for removing heavy metals (Cr6+, Cd2+, Pb2+ and Cu2+) from wastewater. The maximum adsorption was appeared for Cr6+ at pH 6 and contact time 7 h.
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页数：8
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