Electrodeposition of mercury on glassy carbon electrode from very dilute mercury(II) solution |
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Authors: | Zenko Yoshida Sorin Kihara |
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Affiliation: | Japan Atomic Energy Research Institute, Tokai-mura, Nakagun, Ibaraki-ken Japan |
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Abstract: | Flameless atomic absorption sepctrometry (AAS) has been applied to the investigation of the electroreduction of mercury at the glassy carbon (GC) electrode in dilute mercury(II) solution. The atomic mercury which is produced by electrolysis is found both in the electrolyte solution and on the electrode. The evaporation experiment combined with the flameless AAS clearly shows that mercury(0) deposits on the GC electrode as metallic mercury and adatoms depending strongly on the concentration of mercury(II) in the solution. The monolayer formation and underpotential deposition cannot be observed in the mercury(II)/GC electrode system. |
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