Solid-phase extraction for the simultaneous preconcentration of organic (selenocystine) and inorganic [Se(IV), Se(VI)] selenium in natural waters

被引:56
作者
Bueno, M [1 ]
Potin-Gautier, M [1 ]
机构
[1] Univ Pau & Pays Adour, Lab Chim Analyt Bioinorgan & Environm, CNRS, UMR 5034, F-64000 Pau, France
关键词
water analysis; environmental analysis; solid-phase extraction; inorganic selenium; organoselenium compounds; selenium;
D O I
10.1016/S0021-9673(02)00125-5
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
This paper describes the combined use of a new preconcentration method using the Amberlite IRA-743 resin and high-performance liquid chromatography coupled to inductively coupled plasma mass spectrometry to determine simultaneously inorganic and organic selenium species in aquatic systems. The developed enrichment procedure, whose accuracy has been checked by recovery tests, is suitable for selenium speciation at environmental levels of 10 ng (Se) l(-1). The method has been applied to mineral and freshwater samples. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:185 / 193
页数:9
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