Fluorimetric determination of magnesium and aluminum via complexation with oxine in high-performance liquid chromatography

被引：26

作者：

Takeuchi, T ^{[1
]}

Inoue, S ^{[1
]}

Yamamoto, M ^{[1
]}

Tsuji, M ^{[1
]}

Miwa, T ^{[1
]}

机构：

[1] Gifu Univ, Fac Engn, Dept Chem, Gifu 5011193, Japan

来源：

JOURNAL OF CHROMATOGRAPHY A | 2001年 / 910卷 / 02期

关键词：

derivatization; LC; magnesium; aluminum; oxine;

D O I：

10.1016/S0021-9673(00)01209-7

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Aluminum and magnesium were determined by fluorimetric detection via pre-column and/or in-column derivatization with 8-hydroxyquinoline (oxine) in high-performance liquid chromatography. The oxine complex of aluminum was selectively detected when the eluent contained no oxine, whereas the aluminum and magnesium complexes could be simultaneously detected when the eluent contained oxine. The sensitivity was improved by using eluents containing oxine by a factor of 7.1 for aluminum, and the detection limits at S/N=3 were 18 and 16 ng/ml for magnesium and aluminum, respectively. The present system was applied to the determination of magnesium and aluminum in various water samples. (C) 2001 Elsevier Science BN. All rights reserved.

引用

页码：373 / 376

页数：4

共 12 条

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