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Título

Improvements in the methylmercury extraction from human hair by headspace solid-phase microextraction followed by gas-chromatography cold-vapour atomic fluorescence spectrometry

AutorMontuori, Paolo; Jover Comas, Eric; Alzaga Morales, Roberto; Díez Salvador, Sergi; Bayona Termens, Josep María
Palabras claveCold-vapour atomic fluorescence spectrometry
Atomic fluorescence spectrometry
Detection
GC
Headspace analysis
Methylmercury
Organomercury compounds
Fecha de publicación30-ene-2004
EditorElsevier
CitaciónJournal of Chromatography A 1025(1): 71-75 (2004)
ResumenImprovements in the methylmercury extraction from human hair by solid-phase microextraction followed by gas chromatography coupled to cold-vapour atomic fluorescence spectrometry (GC-CVAFS) have been carried out. They consisted in the optimisation of the digestion step prior to the aqueous-phase ethylation and in the GC-CVAFS interface set-up. The main digestion parameters such as acid type, concentration, temperature and time have been optimised for hair sample analysis, thereby avoiding methylmercury degradation. Moreover, the stability of the digested samples was evaluated to improve the sample throughput.
Descripción5 pages, 3 figures.-- PMID: 14753673 [PubMed].-- Available online Nov 21, 2003.-- Issue title: "ExTech 2003 - The 5th International Symposium on Advances in Extraction Technologies " (St. Pete Beach, Florida, USA, Mar 5-7, 2003).
Versión del editorhttp://dx.doi.org/10.1016/j.chroma.2003.07.004
URIhttp://hdl.handle.net/10261/16654
DOI10.1016/j.chroma.2003.07.004
ISSN0021-9673 (Print)
1873-3778 (Online)
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