Electrochemical studies of poly(mercaptohydroquinone) and poly(mercapto-p-benzoquinone) films prepared by electropolymerization. II. Fixation of heavy metals and their electrochemical properties.
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概要
- 論文の詳細を見る
Heavy metal ions, Ag<SUP>+</SUP>, Hg<SUP>2+</SUP>, Cd<SUP>2+</SUP>, Cu<SUP>2+</SUP>, Pb<SUP>2+</SUP>, Pd<SUP>2+</SUP>, Fe<SUP>3+</SUP>, and Pt<SUP>4+</SUP>, were each fixed on a conductive redox film of poly(mercapto-<I>p</I>-benzoquinone) or poly(mercaptohydroquinone) by mercaptide formation. Of these mercaptide-modified electrodes, the Pt(IV)-, Pd(II)-, and Ag(I)-modified electrodes possess some catalytic properties for electrochemical hydrogen evolution. These mercaptide-modified electrodes display a nearly Nernstian response to their respective heavy metal ions in aqueous solution and exhibit good durability when stored under appropriate conditions. Especially, the Hg(II)-modified electrode displays an excellent function as an Hg<SUP>2+</SUP> ion sensor. The effect of miniaturization of substrates upon response ability was investigated by using two different-sized Pt wires (0.5 mm and 0.03 mm in diameter).
- 公益社団法人 日本化学会の論文
著者
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Arai Gorou
Department Of Applied Chemistry Faculty Of Engineering Kanagawa University
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Yasumori Iwao
Department Of Applied Chemistry Faculty Of Engineering Kanagawa University
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Ishii Takayuki
Department of Applied Chemistry, Faculty of Engineering, Kanagawa University
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Yamamoto Sumi
Department of Applied Chemistry, Faculty of Engineering, Kanagawa University
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