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  Speciation of inorganic arsenic and selenium in contaminated ground water samples - distribution and long-term stability of species

Raessler, M., Michalke, B., Schramel, P., Schulte-Hostede, S., & Kettrup, A. (1998). Speciation of inorganic arsenic and selenium in contaminated ground water samples - distribution and long-term stability of species. International Journal of Environmental Analytical Chemistry, 72(3), 195-203. doi:10.1080/03067319808035890.

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BGC0087.pdf (Publisher version), 451KB
 
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Raessler, M.1, Author           
Michalke, B., Author
Schramel, P., Author
Schulte-Hostede, S., Author
Kettrup, A., Author
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1External Organizations, ou_persistent22              

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Free keywords: arsenic; selenium; speciation; ground water; long-term stability Performance liquid-chromatography; atomic-absorption spectrometry; plasma-mass spectrometry; hydride
 Abstract: This paper presents the results of speciation studies of arsenic and selenium in contaminated ground water samples from Kelheim/Germany. Results are based on separation of ions by HPLC using a phosphate buffer. The separated species were collected in fractions and analysed element-specifically by HG- AAS. Dominating species were arsenate and selenate, while arsenite and selenite were less important. Long-term studies revealed that As (V), Se (IV) and Se (VI) remained stable for up to 12 months, whereas oxidation of As (III) was observed after 3 months.

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 Dates: 1998
 Publication Status: Issued
 Pages: -
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 Rev. Type: -
 Identifiers: Other: BGC0087
DOI: 10.1080/03067319808035890
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Title: International Journal of Environmental Analytical Chemistry
Source Genre: Journal
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Publ. Info: New York : Gordon and Breach.
Pages: - Volume / Issue: 72 (3) Sequence Number: - Start / End Page: 195 - 203 Identifier: ISSN: 0306-7319
CoNE: https://pure.mpg.de/cone/journals/resource/954925515508