2006•PubMedRequires access

[Determination of selenium in selenium-enriched foods by hydride generation atomic absorption spectrometry].

Min Li, Xiaowei Li, Junquan Gao

Abstract

OBJECTIVE: To determine selenium (Se) in selenium-enriched foods by hydride generation atomic absorption spectrometry. METHODS: The samples were digested by HNO3-HCLO4 and reduced by NaHB4, and then was determined in 6 mol/L HCL. RESULTS: The results showed that the detectable range, detection limit, recovery rate, and the relative standard deviation(RSD) of the method were 0 - 80.0 microg/L, 0.0056 mg/kg, 92.05% - 103.88%, and 1.34% - 3.81% respectively. CONCLUSION: This method is suitable for selenium determination.

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Available abstract

Key concepts: Selenium, Hydride, Atomic absorption spectroscopy, Chemistry, Detection limit, Relative standard deviation, Mass spectrometry, Analytical Chemistry (journal)