IMMOBILIZED 8-OXINE UNITS ON DIFFERENT SOLID SORBENTS FOR THE UPTAKE OF METAL TRACES

被引：61

作者：

ABOLLINO, O ^{[1
]}

MENTASTI, E ^{[1
]}

PORTA, V ^{[1
]}

SARZANINI, C ^{[1
]}

机构：

[1] UNIV TURIN,DEPT ANALYT CHEM,VIA GIURIA 5,I-10125 TURIN,ITALY

来源：

ANALYTICAL CHEMISTRY | 1990年 / 62卷 / 01期

关键词：

D O I：

10.1021/ac00200a005

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The sorption of 8-hydroxyquinoline and 8-hydroxyquinoline-5-sulfonic acid on a polystyrene-divinylbenzene resin (Amberlite XAD-2) and on an anion exchange resin (Bio-Rad AG MP-1) has been used for the uptake and enrichment of trace metal Ions. The Investigated metal ions were Ca(II), Cd(II), Cu(II), Mg(II), Mn(II), Ni(II), Pb(II), and Zn(II). The uptake and recovery yields were determined by use of inductively coupled plasma atomic emission spectroscopy. The behavior of the sorbed ligands was determined in different conditions, and the results have been discussed and compared with those computed according to a model described. The chelating solid substrates have been used for the enrichment of metal traces from environmental samples. Enrichment factors of up to 100, together with low blank levels of the optimized procedures, allow the simple determination of the above elements at concentrations down to a few nanograms per milliliter. © 1990, American Chemical Society. All rights reserved.

引用

页码：21 / 26

页数：6

共 27 条

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