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Pressurized liquid extraction of organometals and its feasibility for total metal extraction
被引:32
|作者:
Alonso-Rodriguez, E.
Moreda-Pineiro, J.
Lopez-Mahia, P.
Prada-Rodriguez, D.
Fernandez-Fernandez, E.
Muniategui-Lorenzo, S.
Moreda-Pineiro, A.
Bermejo-Barrera, A.
Bermejo-Barrera, P.
机构:
[1] Univ A Coruna, Dept Analyt Chem, Fac Sci, E-15071 La Coruna, Spain
[2] Univ A Coruna, Univ Inst Environm, E-15179 Oleiros, Spain
[3] Univ Santiago de Compostela, Dept Analyt Chem Nutr & Bromatol, Fac Chem, E-15782 Santiago De Compostela, Spain
关键词:
environmental samples;
metals;
organometallic compounds;
pressurized liquid extraction;
D O I:
10.1016/j.trac.2005.11.009
中图分类号:
O65 [分析化学];
学科分类号:
070302 ;
081704 ;
摘要:
We give an overview of pressurized liquid extraction (PLE) applied to organometal compounds for speciation studies. We also deal with the feasibility of this technique for simultaneous metal extraction. To verify the potential applicability of PLE for total metal extraction, we subjected two certified reference materials (GBW-08751 Mussel Tissue and PACS-2 Marine Sediment to pressurized carboxylic acids. From the results, we can say that acetic acid and formic acid under pressurized conditions appear to extract metals from environmental materials. Exploiting the rapidity and the automation of PLE could be a new trend in pre-treating samples for total metal extraction. (c) 2005 Elsevier Ltd. All rights reserved.
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页码:511 / 519
页数:9
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