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Effect of the Structure of Benzohydrazides on Cadmium Electrodeposition from Perchlorate and Iodide |
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11.09.2008 г. |
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Effect of the Structure of Benzohydrazides on Cadmium Electrodeposition from Perchlorate and Iodide Electrolytes V. V. Kuznetsov, L. M. Skibina, and R. R. Khalikov Rostov State University, ul. Zorge 7, Rostov-on-Don, 344090 Russia E-mail:
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Received July 8, 2005 Abstract — A correlation between the polar properties of substituents R in an additive molecule (with benzohydrazide derivatives as examples) and the nature of adsorbed and reduced species was found and analyzed. It was demonstrated that an increase in the electron-donating and electron-withdrawing properties of R stimulates complexation between the metal and the additive in the surface layer, which makes the adsorbed layer more permeable and accelerates the electroreduction of metal ions. PACS numbers: 81.15.Fg, 82.45.Gj DOI: 10.1134/S0033173206060087
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