Synthesis of functionalized silica gel with poly(diethylenetriamine bis(methylene phosphonic acid)) and its adsorption properties of transition metal ions

被引：45
|
作者：
Yin, Ping [1 ]
Tian, Yuan [1 ]
Wang, Zengdi [1 ]
Qu, Rongjun [1 ]
Liu, Xiguang [1 ]
Xu, Qiang [1 ]
Tang, Qinghua [1 ]
机构：
[1] Ludong Univ, Sch Chem & Mat Sci, Yantai 264025, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2011年 / 129卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Functionalized silica gel; Poly(diethylenetriamine bis(methylene phosphonic acid)); Transition metal ions; Adsorption; SORPTION; CARBON; COPPER; PRECONCENTRATION; GOLD(III); REMOVAL; SURFACE; PB(II); CU(II); AMINO;
D O I：
10.1016/j.matchemphys.2011.03.067
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel functionalized silica gel with poly(diethylenetriamine bis(methylene phosphonic acid)) (SH-DETA-PDBMPA) was synthesized in order to improve the adsorption for transition metal ions from aqueous solutions. The material was characterized using infrared spectra (IR), X-ray diffractometry (XRD), scanning electron microscope (SEM), Brunauer-Emmett-Teller (BET) surface area measurement, porous analysis, thermogravimetric analysis (TG) and Si-29 Magic Angle Spinning Nuclear Magnetic Resonance (Si-29 MAS NMR). The application of this material in adsorption of transition metal ions revealed that SH-DETA-PDBMPA had excellent adsorption amount and high selectivity for Au(III), which provided a novel material for adsorbing this specious metal ions from aqueous solutions. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：168 / 175
页数：8
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