The determination of some heavy metals in food samples by flame atomic absorption spectrometry after their separation-preconcentration on bis salicyl aldehyde, 1,3 propan diimine (BSPDI) loaded on activated carbon

被引：197

作者：

Ghaedi, M. ^{[1
]}

Shokrollahi, A. ^{[1
]}

Kianfar, A. H. ^{[1
]}

Mirsadeghi, A. S. ^{[1
]}

Pourfarokhi, A. ^{[1
]}

Soylak, M. ^{[2
]}

机构：

[1] Univ Yasuj, Dept Chem, Yasuj 75914353, Iran

[2] Erciyes Univ, Dept Chem, TR-38039 Kayseri, Turkey

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2008年 / 154卷 / 1-3期

关键词：

solid phase extraction; trace metal; enrichment; activated carbon; bis salicyl aldehyde; 1,3 propan diimine (BSPDI);

D O I：

10.1016/j.jhazmat.2007.10.003

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 [工学]; 0830 [环境科学与工程];

摘要：

A sensitive and simple method for the simultaneous preconcentration of Cr3+, Fe3+, Cu2+, Ni2+ Co2+ and Zn2+ in real samples has been reported. The method is based on the adsorption of analytes on his salicyl aldehyde, 1,3 propan diimine (BSPDI) loaded on activated carbon. The adsorbed metals on modified activated carbon were eluted using 8 mL of 2 mol L-1 nitric acid in acetone or 10 mL of 4 mol L-1 HNO3. The influences of the analytical parameters including pH and sample volume were investigated. The effects of matrix ions on the retentions of the analytes were also examined. The recoveries of analytes were generally quantitative. The method has been successfully applied for these metals content evaluation in some food samples. (c) 2007 Elsevier B.V. All rights reserved.

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页码：128 / 134

页数：7

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