Speciation of Organic and Inorganic Selenium in Selenium-enriched Eggs by Hydride Generation Atomic Fluorescence Spectrometry

被引：14

作者：

Sun, Hanwen ^{[1
]}

Feng, Bo ^{[1
]}

机构：

[1] Hebei Univ, Coll Chem & Environm Sci, Key Lab Analyt Sci & Technol Hebei Prov, Baoding 071002, Peoples R China

来源：

FOOD ANALYTICAL METHODS | 2011年 / 4卷 / 02期

关键词：

Hydride Generation; Atomic Fluorescence Spectrometry; Organic Selenium; Inorganic Selenium; Selenium-Enriched Eggs; PLASMA-MASS SPECTROMETRY; ABSORPTION-SPECTROMETRY; ICP-MS; DIGESTION; SYSTEM; PRODUCTS;

D O I：

10.1007/s12161-010-9145-5

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

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.

引用

页码：240 / 244

页数：5

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