Metal ion preconcentration with amberlite XAD-2 functionalized with 5-palmitoyl-8-hydroxyquinoline and its analytical applications

被引：32

作者：

Filik, H ^{[1
]}

机构：

[1] Istanbul Univ, Fac Engn, Dept Chem, TR-34850 Istanbul, Turkey

来源：

ANALYTICAL LETTERS | 2002年 / 35卷 / 05期

关键词：

amberlite XAD-2; 5-palmitoyl-8-hydroxyquinoline; atomic absorption spectrometry; iron; copper; cadmium; cobalt; nickel; chromium lead; preconcentration; water analysis; lake water;

D O I：

10.1081/AL-120004076

中图分类号：

O65 [分析化学];

学科分类号：

070302 [分析化学]; 081704 [应用化学];

摘要：

An Amberlite XAD-2 resin. functionalized with 5-palmitoyl-8-hydroxyquinoline, was prepared and used for the preconcentration of Fe(III), Cr(III), Cu(II), Cd(II), Co(II), Ni(II) and Pb(II) prior to their determination by flame atomic absorption spectrometry. Both batch and column sorption studies were carried out. The optimum pH range is between 4.5-6.0. for all the metal ions. All these metal ions can be desorbed with 2 mol 1(-1) HNO3 (recovery ratio 97-100%). The effect of various electrolytes on the sorption of these metal ions has been investigated. The enrichment factor has been found to be 50 for all seven metal ions for concentration level between 20-50 mug 1(-1). Simultaneous preconcentration and determination of all the metal ions is possible. The method has been succesfully applied to the determination of the heavy metals in Kucukcekmece Lake water samples (RSD 2.3-3.7%).

引用

页码：881 / 894

页数：14

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