Abstract
A new method was established for the speciation of Se by hydride generation-atomic fluorescence spectrometry. Effective separation of organic and inorganic Se in Se-enriched eggs was achieved by precipitating albumen with trichloroacetic acid. The detection limit for Se was 0.07 μg L−1. The proposed method was successfully applied for the determination of organic and inorganic Se as well as total Se in Se-enriched eggs with the recovery of 90.1–112% and the relative standard deviation (n = 5) of 0.6–3.4%. Se in Se-enriched eggs presents mainly in organic forms, the content of which was three to seven times that of inorganic Se.
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Acknowledgment
We express thanks to the Natural Science Foundation of Hebei province of China for much support to the studied subject (B2008000583).
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Sun, H., Feng, B. Speciation of Organic and Inorganic Selenium in Selenium-enriched Eggs by Hydride Generation Atomic Fluorescence Spectrometry. Food Anal. Methods 4, 240–244 (2011). https://doi.org/10.1007/s12161-010-9145-5
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DOI: https://doi.org/10.1007/s12161-010-9145-5