Determination of submicrogram amounts of selenium(IV) by means of the catalytic reduction of 1,4,6,ii-tetraaza- naphthacene |
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| Authors: | Takuji Kawashima Motoharu Tanaka |
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| Affiliation: | Laboratory of Analytical Chemistry, Faculty of Science, Nagoya University, Chikusa-ku, Nagoya Japan |
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| Abstract: | In the presence of glyoxal and hypophosphorous acid 1,4,6II-tetraazanaph-thacene is reduced to I,6-dihydro-I,4,6,II-tetraazanaphthacene. The reaction is catalyzed by selenium(IV). By means of this catalytic reaction, submicrogram amounts of selenium(IV) can easily be determined. The method is simple and sensitive, and there are few interferences. |
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| Keywords: | Present address: Chemical Institute Liberal Arts College Kagoshima University Kagoshima (Japan). |
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