Determination of selenium in infant foods using electrothermal atomic absorption spectrometry with direct slurry sample introduction

• Authors: Danuta Baralkiewicz , Usama El-Sayed , Marian Filipiak , Hanka Gramowska , Miroslaw Mleczek
• Languages of publication: EN

Abstracts

EN

Slurry sampling electrothermal atomic absorption (SS ETAAS) was applied to the development of a sensitive and precise method for selenium determination in infant foods without sample pretreatment. Suspensions prepared in a medium containing 0.1% Triton X-100, 0.5 or 5% v/v concentrated HNO3 were directly introduced into the furnace. The accuracy of the procedure was confirmed by analysis of a standard reference material and comparison with hydride generation atomic absorption spectrometric (HGAAS) procedure. The characteristic mass is 44 pg and detection limit 0.43 μg·l−1.

Keywords

EN

selenium; infant foods; slurry sampling atomic absorption spectrometry (SS ETAAS)

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2004
• Volume: 2
• Issue: 2
• Pages: 334-346

Dates

published

1 - 6 - 2004

online

1 - 6 - 2004

Contributors

author

Danuta Baralkiewicz

• Faculty of Chemistry, Adam Mickiewicz, University, Drzymaly 24, 60-613, Poznan, Poland

author

Usama El-Sayed

• Biochemistry and Microbiology, Poznan University of Economics, Al. Niepodleglosci 10, 60-967, Poznan, Poland

author

Marian Filipiak

• Biochemistry and Microbiology, Poznan University of Economics, Al. Niepodleglosci 10, 60-967, Poznan, Poland

author

Hanka Gramowska

• Faculty of Chemistry, Adam Mickiewicz, University, Drzymaly 24, 60-613, Poznan, Poland

author

Miroslaw Mleczek

• Faculty of Chemistry, Adam Mickiewicz, University, Drzymaly 24, 60-613, Poznan, Poland

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Identifiers

DOI

10.2478/BF02475577