Polarographic Studies of the Anodic Oxidation of Mercury. III. The Adsorption of the Mercury(II) Complexes of Ammonia and Alkylamines on the Mercury Electrode Surface
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概要
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A solution of ammonia, methylamine, <I>n</I>-propylamine, isopropylamine, or <I>n</I>-butylamine in <I>N</I>,<I>N</I>′-dimethyl-formamide gives an anodic prewave due to the adsorption of the oxidation product, Hg(amine)<SUB>2</SUB><SUP>2+</SUP>, on the dropping mercury electrode. The shape of the prewave of each amine can be well interpreted by an equation derived on the basis of the assumptions that the adsorption follows the Langmuir isotherm and that the adsorption coefficient of the adsorbate complex decreases exponentially as the electrode potential becomes more positive. Some physicochemical properties of the mercury(II) complexes, such as the overall stability constants and the adsorption coefficients at 0.0 V <I>vs.</I> SCE, were determined by analyses of the polarographic waves.
- 公益社団法人 日本化学会の論文
著者
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Date Yoshio
Department of Agricultural Chemistry, Faculty of Agriculture, Shimane University
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Matsui Yoshihisa
Department of Agricultural Chemistry, Faculty of Agriculture, Shimane University
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Takaya Hitoshi
Department of Agricultural Chemistry, Shimane University
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