ID 74514
Title Transcription
カンキョウスイ シリョウチュウ セレン ノ モクシ ケイコウ テイリョウ システム ノ コウチク
Title Alternative
Development of a visual fluorometric determination method for selenium in environmental water samples
Author
Yabutani, Tomoki Department of Chemical Science and technology, Institute of Science and Technology, The University of Tokushima Tokushima University Educator and Researcher Directory KAKEN Search Researchers
Iinuma, Akiko Department of Chemical Science and technology, Institute of Science and Technology, The University of Tokushima
Yokota, Masayuki Department of Chemical Science and technology, Institute of Science and Technology, The University of Tokushima
Kishimoto, Hideyuki
Motonaka, Junko Department of Chemical Science and technology, Institute of Science and Technology, The University of Tokushima KAKEN Search Researchers
Hayashi, Yukako Department of Chemical Science and technology, Institute of Science and Technology, The University of Tokushima
Keywords
Selenium
visual determination
fluorometry
2,3-diaminonaphtalene
cation exchange
Content Type
Departmental Bulletin Paper
Description
Selenium(IV) and Se(VI) were visually detected and determined based on fluorometric
derivatization used by 2,3-diaminonaphtalene (DAN) and β-cyclodextrin (β-CD) / sodium
dodecyl sulfate (SDS) as fluorometric enhancer. The visual determination of Se was achieved by
removing non-reacted DAN, which causes severe interferences and shows high background for
visual determination, with a cation exchange treatment. The cation exchange treatment provided
over 90% of its removal efficiency without loss of Se-DAN. In order to determine Se(VI), Se(VI)
was converted to Se(IV) based on the reduction of the treatment under 6 mol l-1 HCl at 110 °C.
Se(IV) and Se(VI) in a river water and a seawater sample could be quantitively recovered through
the Se-DAN derivatization and the cation exchange treatment. Under the optimal condition for
visual determination of Se, the fluorometric color was visually detected from 20 μg l-1 to 5000 μg l-1
of Se(IV) and from 100 μg l-1 to 5000 μg l-1 of Se(VI) and the difference of the color every 20-50 μg
l-1 was distinguished.
Journal Title
徳島大学大学院ソシオテクノサイエンス研究部研究報告
ISSN
21859094
NCID
AA12214889
Volume
53
Start Page
46
End Page
51
Sort Key
46
Published Date
2008
FullText File
language
jpn
departments
Science and Technology
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