New magnetic polymeric nanoparticles for extraction of trace cadmium ions and the determination of cadmium content in diesel oil samples

被引：17

作者：

Ebrahimzadeh, Homeira ^{[1
]}

Kasaeian, Mansoure ^{[1
]}

Khalilzadeh, Azita ^{[2
]}

Moazzen, Elahe ^{[1
]}

机构：

[1] Shahid Beheshti Univ, GC, Dept Chem, Tehran 1983963113, Iran

[2] Islamic Azad Univ, Dept Chem, North Branch, Tehran, Iran

来源：

ANALYTICAL METHODS | 2014年 / 6卷 / 13期

关键词：

SOLID-PHASE EXTRACTION; ATOMIC-ABSORPTION-SPECTROMETRY; ENVIRONMENTAL-SAMPLES; FE3O4; NANOPARTICLES; IMPRINTED POLYMERS; HEAVY-METALS; PRECONCENTRATION; WATER; SORBENT; LEAD;

D O I：

10.1039/c4ay00201f

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel highly selective magnetic sorbent was synthesized for rapid preconcentration of Cd(II) ions. A cadmium-imprinted polymer was grafted on Fe3O4 nanoparticles to give the magnetic property to the sorbent. The grafting was characterized by IR spectroscopy, X-ray powder diffraction, scanning electron microscopy and differential thermal analysis. The effects of sample pH, eluent factors (type, concentration and volume) and the time of adsorption and desorption were investigated. The retained cadmium was determined by flame atomic absorption spectroscopy. The limit of detection and relative standard deviation values were 0.09 mu g L-1 and 1.7%, respectively, under optimum conditions. The accuracy of the method was confirmed using standard materials. Finally, this method was applied for the determination of Cd(II) in used and non-used diesel oils.

引用

页码：4617 / 4624

页数：8

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