Separation of rare earth elements by high performance liquid chromatography using a covalent modified silica gel column

被引：40

作者：

Garcia-Valls, R

Hrdlicka, A

Perutka, J

Havel, J

Deorkar, NV

Tavlarides, LL

Muñoz, M

Valiente, M

机构：

[1] Univ Rovira & Virgili, Dept Engn Quim, Tarragona 43006, Spain

[2] Masaryk Univ, Dept Environm Sci, Brno, Czech Republic

[3] Masaryk Univ, Dept Chem, Brno, Czech Republic

[4] Syracuse Univ, Dept Chem Engn, Syracuse, NY USA

[5] Univ Autonoma Barcelona, Dept Quim, Unitat Quim Analit, Bellaterra, Spain

来源：

ANALYTICA CHIMICA ACTA | 2001年 / 439卷 / 02期

关键词：

HPLC; rare earths; modified silica; separation;

D O I：

10.1016/S0003-2670(01)01044-3

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A new modified silica gel material with chemically bound phosphonic acid was tested as lanthanide ions adsorption and their basic characteristics (thermodynamics, stability and physical description) studied. This inorganic chemically active beads (ICABs) are suitable for the solid phase extraction (SPE) and separation of the rare earth elements (REE). The HPLC procedure, using the 10 mum diameter ICAB with chemically immobilized phosphonic acid [alpha]-hydroxyisobutyric acid (HIBA) as the eluent and the post-column derivatization using Arsenate III as the reagent, was worked out and found efficient to perform a good separation of REE. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：247 / 253

页数：7

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