Chromium and iron determinations in food and herbal plant samples by atomic absorption spectrometry after solid phase extraction on single-walled carbon nanotubes (SWCNTs) disk

被引：79

作者：

Soylak, Mustafa ^{[1
]}

Unsal, Yunus Emre ^{[1
]}

机构：

[1] Erciyes Univ, Fac Sci & Arts, Dept Chem, TR-38039 Kayseri, Turkey

来源：

FOOD AND CHEMICAL TOXICOLOGY | 2010年 / 48卷 / 06期

关键词：

Single-walled carbon nanotubes disk; Preconcentration; Separation; Atomic absorption spectrometry; Food; LIQUID-LIQUID MICROEXTRACTION; CLOUD POINT EXTRACTION; TRACE-METAL IONS; WATER SAMPLES; HEAVY-METALS; ENVIRONMENTAL-SAMPLES; FLUORESCENCE SPECTROMETRY; FACTORIAL DESIGN; WASTE-WATER; FLAME-AAS;

D O I：

10.1016/j.fct.2010.03.017

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

A preconcentration-separation procedure has been established based on solid phase extraction of Fe(III) and Cr(III) on single-walled carbon nanotubes (SWCNTs) disk. The analyte ions were quantitatively recovered at pH 8.0 on single-walled carbon nanotubes disk that contains 30 mg of nanotube. The influences of matrix components were tolerable. The detection limits for iron and chromium were calculated as 2.12 and 4.08 mu g/l, respectively. The presented method was validated by the analysis of lichen (IAEA-336), CRM025-050 Metals on soil and BCR-032 Moroccan Phosphate rock certified reference materials. The method was successfully applied to the preconcentration and separation of iron and chromium in some food and herbal plant samples from Turkey. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1511 / 1515

页数：5

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