Pyridine-2,6-diamine-functionalized Fe3O4 nanoparticles as a novel sorbent for determination of lead and cadmium ions in cosmetic samples

被引：15
|
作者：
Ebrahimzadeh, Homeira [1 ]
Moazzen, Elahe [1 ]
Amini, Mostafa M. [1 ]
Sadeghi, Omid [2 ]
机构：
[1] Shahid Beheshti Univ, Dept Chem, Tehran 1983963113, Iran
[2] Islamic Azad Univ, Dept Chem, Shahr E Rey Branch, Tehran, Iran
来源：
INTERNATIONAL JOURNAL OF COSMETIC SCIENCE | 2013年 / 35卷 / 02期
关键词：
Cadmium; Cosmetic samples; Lead; Modified Fe3O4 nanoparticles; Solid-phase extraction;
D O I：
10.1111/ics.12023
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Synopsis A novel sorbent based on pyridine-2,6-diamine-functionalized Fe3O4 nanoparticles was developed and characterized by X-ray powder diffraction (XRD), elemental analysis, IR spectroscopy and scanning electron microscopy (SEM). The application of the sorbent was investigated for pre-concentration and determination of lead and cadmium ions in aqueous samples. Effects of various factors such as the sample pH, eluent parameters (type, concentration and volume) and time (adsorption and desorption) were appraised. The effects of several interfering ions on method recovery were also investigated. The limit of detection (LOD) was found to be 1.3 and 0.089gL1 for lead and cadmium ions, respectively. Recovery and precision (RSD%) of the method were above 97.9% and below 0.6%, respectively. Validation of the outlined method was performed by analysing several certified reference materials. This method was successfully used for determination of lead and cadmium ions in several cosmetic samples, which are usually contaminated by lead and cadmium ions.
引用
收藏
页码：176 / 182
页数：7
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