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Determination of total selenium in mussel and wheat samples after tetramethylammonium hydroxide digestion

TitleDetermination of total selenium in mussel and wheat samples after tetramethylammonium hydroxide digestion
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication1999
AuthorsBrunori, Claudia, De La Calle M.B., Angelone Massimo, and Morabito Roberto
JournalAnnali di Chimica
Volume89
Pagination873-880
ISSN00034592
Abstract

A tetramethylammonium hydroxide (TMAH) based digestion method for the determination of total selenium content in wheat and mussel samples is proposed. The results achieved with the proposed digestion procedure were compared with those obtained after microwave oven acid mineralization. Graphite furnace-atomic absorption spectrometry (GF-AAS) was used for the final selenium determination. Efficiency of the proposed digestion method analyses was evaluated on a Wheat Flour Standard Reference Material (NIST 1567a) and on spiked samples. Hydride generation-atomic absorption spectrometric analyses showed the possibility of exploiting TMAH digestion also for speciation purposes.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-0000165901&partnerID=40&md5=46836fb87681655334ff88f132234af4
Citation KeyBrunori1999873