Hydride generation atomic absorption spectrometry with insitu graphite tube trapping for the determination of Se (IV) and Se (VI) in baltic sea water samples

• Authors: P. Niedzielski , M. Siepak , B. Dudzińska-Huczuk
• Languages of publication: EN

Abstracts

EN

This paper reports the results of an optimisation study for a procedure to determine the total selenium and its inorganic species, Se(IV) and Se(VI) using atomic absorption spectrometry combined with hydride generation and in-situ trapping of the analyte on the inner walls of the graphite tube. With the use of the proposed modification, a detection limit (3σ) of 0.018 ng/ml is achieved. This paper presents exemplary results, according to the proposed procedure, for selenium determination in samples of marine water. The concentrations of selenium in the samples ranged from <0.02 ng/ml to 0.16ng/ml of Se(IV) and from <0.02 ng/ml to 0.10 ng/ml of Se(VI).

Keywords

EN

selenium; atomic absorption spectrometry; hydride generation; in-situ trapping

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2003
• Volume: 1
• Issue: 3
• Pages: 314-324

Dates

published

1 - 9 - 2003

online

1 - 9 - 2003

Contributors

author

P. Niedzielski

• Department of Water and Soil Analysis, Adam Mickiewicz University, 24 Drzymały Street, 60-613, Poznań, Poland

author

M. Siepak

• Department of Hydrogeology and Waters Protection, Adam Mickiewicz University, Poznań, Poland

author

B. Dudzińska-Huczuk

• Faculty of Biology, Geography and Oceanology, Gdańsk University, Poland

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Identifiers

DOI

10.2478/BF02476232