Articles with "total selenium" as a keyword



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Optimization of supramolecular solvent microextraction prior to graphite furnace atomic absorption spectrometry for total selenium determination in food and environmental samples

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Published in 2017 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2017.02.082

Abstract: Abstract In this work, two formats of supramolecular solvent microextraction have been made up of (i) inverted hexagonal aggregates of 1-octanol (rod-like micelle) and (ii) reverse micelles of octanoic acid in tetrahydrofuran (THF):water coupled with… read more here.

Keywords: total selenium; solvent microextraction; supramolecular solvent; graphite furnace ... See more keywords
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Chromatographic Determination of Total Selenium in Biofortified Allium sp. following Piazselenol Formation and Micro-Solid-Phase Extraction

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Published in 2021 at "Molecules"

DOI: 10.3390/molecules26216730

Abstract: Herein, a method based on selective piazselenol formation is applied for total selenium determination in biofortified Allium species. Piazselenol is formed by reacting Se(IV) with an aromatic diamine, namely 4-nitro-1,2-phenylenediamine, in acidic medium. Samples were… read more here.

Keywords: total selenium; extraction; piazselenol formation; biofortified allium ... See more keywords