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 mu g 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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St Petersburg State Univ, Inst Chem, RU-198504 St Petersburg, RussiaSt Petersburg State Univ, Inst Chem, RU-198504 St Petersburg, Russia
Shishov, Andrey
Wieczorek, Marcin
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Jagiellonian Univ Krakow, Fac Chem, Dept Analyt Chem, Ul Gronostajowa 2, PL-30387 Krakow, PolandSt Petersburg State Univ, Inst Chem, RU-198504 St Petersburg, Russia
Wieczorek, Marcin
Koscielniak, Pawel
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Jagiellonian Univ Krakow, Fac Chem, Dept Analyt Chem, Ul Gronostajowa 2, PL-30387 Krakow, PolandSt Petersburg State Univ, Inst Chem, RU-198504 St Petersburg, Russia
Koscielniak, Pawel
Dudek-Adamska, Danuta
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Jagiellonian Univ Krakow, Fac Chem, Dept Analyt Chem, Ul Gronostajowa 2, PL-30387 Krakow, PolandSt Petersburg State Univ, Inst Chem, RU-198504 St Petersburg, Russia
Dudek-Adamska, Danuta
Telk, Anna
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Jagiellonian Univ Krakow, Fac Chem, Dept Analyt Chem, Ul Gronostajowa 2, PL-30387 Krakow, PolandSt Petersburg State Univ, Inst Chem, RU-198504 St Petersburg, Russia
Telk, Anna
Moskvin, Leonid
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St Petersburg State Univ, Inst Chem, RU-198504 St Petersburg, RussiaSt Petersburg State Univ, Inst Chem, RU-198504 St Petersburg, Russia
Moskvin, Leonid
Bulatov, Andrey
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St Petersburg State Univ, Inst Chem, RU-198504 St Petersburg, RussiaSt Petersburg State Univ, Inst Chem, RU-198504 St Petersburg, Russia