Chemical modification of silica gel with synthesized Schiff base hydrazone derivative and application for preconcentration and separation of U(VI) ions from aqueous solutions

被引：13

作者：

Incili, Gamze Karayel ^{[1
]}

Aycik, Gul Asiye ^{[1
]}

机构：

[1] Mugla Sitki Kocman Univ, Dept Chem, TR-48000 Mugla, Turkey

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2014年 / 301卷 / 02期

关键词：

Silica gel; Immobilization; Separation; Uranium(VI); Purification; ACTIVATED CARBON; URANIUM SORPTION; WATER SAMPLES; EXTRACTION; ADSORPTION; COMPLEXES; RECOVERY; REMOVAL; THORIUM;

D O I：

10.1007/s10967-014-3151-9

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Schiff base hydrazone derivative (HL) sorbent was synthesized according to the literature to be used in the adsorption and preconcentration of U(VI) ions from aqueous solution and it was exposed to immobilization, and new solid support material was obtained. For this purpose, Schiff base hydrazone derivative (HL) was chemically bonded to silica gel surface immobilized 3-aminopropyl trimethoxysilane, then analyzed by Fourier transform infrared, Brunauer-Emmett-Teller, scanning electron microscopy and elemental analysis. The influence of the solution pH, amount of sorbent, contact time, temperature, foreign ion effect and initial U(VI) concentration was investigated. The maximum U(VI) uptake capacity was found to be 8.46 mg/g.

引用

页码：417 / 426

页数：10

共 23 条

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Gamze Karayel Incili
Gul Asiye Aycık
[J]. Journal of Radioanalytical and Nuclear Chemistry, 2014, 301 : 417 - 426
[2] Schiff base immobilized silica gel framework as an efficient sorbent for preconcentration of Pb and Zn ions in aqueous media
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[3] Solid phase extraction using silica gel modified with azo-dyes derivative for preconcentration and separation of Th(IV) ions from aqueous solutions
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[9] Separation and Preconcentration of Trace Amounts of Manganese and Nickel from Natural Water Samples by a Diimine Derivative Schiff Base-Coated Silica-Gel Minicolumn
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