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Valence discriminative detection of metal cations by a chromotropic acid-grafted glassy carbon electrode
http://hdl.handle.net/2297/34124
http://hdl.handle.net/2297/34124700bf698-ee20-46a7-878d-ba66669cff28
名前 / ファイル | ライセンス | アクション |
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SC-PR-MORITA-K-95.pdf (352.8 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Valence discriminative detection of metal cations by a chromotropic acid-grafted glassy carbon electrode | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Morita, Kotaro
× Morita, Kotaro× Shibata, Kenichi× Nagatani, Hirohisa× Hirayama, Naoki× Imura, Hisanori |
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書誌情報 |
Analytical Sciences 巻 29, 号 1, p. 95-99, 発行日 2013-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0910-6340 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10500785 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2116/analsci.29.95 | |||||
出版者 | ||||||
出版者 | 日本分析化学会 = Japan Society for Analytical Chemistry | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Covalent grafting of chromotropic acid (CA) moiety to a glassy carbon electrode was performed by electrochemical reduction of the corresponding diazonium cation generated in situ. Grafted electrodes were subjected to the electrochemical detection of multivalent cations using Fe(CN)6 3-/4- as an electrochemical probe molecule. In the absence of metal cations, redox reaction of the anionic probe was depressed by electrostatic repulsion between the probe and negatively charged CA moieties on the electrode surface. Binding of tetravalent cations such as Zr(IV) and Hf(IV) and trivalent cations such as Al(III) and lanthanide(III) to the CA moiety on the electrode surface resulted in an increase in the current intensity of the probe due to a decrease in electrostatic repulsion. Highly selective detection of the tetravalent cations was achieved in the micromolar concentration range at pH 1.0. © The Japan Society for Analytical Chemistry. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jsac.jp/ |