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Comparison of tetraethylborate and tetraphenylborate for selenite determination in human urine by gas chromatography mass spectrometry, after headspace solid phase microextraction

✍ Scribed by D.C. Kapsimali; G.A. Zachariadis

Book ID: 116904013
Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 696 KB
Volume: 80
Category: Article
ISSN: 0039-9140
DOI: 10.1016/j.talanta.2009.09.022

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## Abstract In this work, a novel technique of aqueous‐phase derivatization followed by headspace solid‐phase microextraction and gas chromatography‐mass spectrometry was developed for the determination of organic acids in urine. The analytical procedure involves derivatization of organic acids to