Influence of additives on the electrodeposition of nickel from a watts bath: a cyclic voltammetric study

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机构：
[1] Mimani, T.
[2] Mayanna, S.M.
[3] Munichandaiah, N.
来源：
Mimani, T. | 1600年 / 23期
关键词：
Chemical operations - Electrolytic polishing - Ore treatment - Quality assurance - Toluene;
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摘要：
The electrochemical reactions occurring during the deposition of nickel from a Watts bath have been examined using a voltammetric technique. The important reactions taking place at the anode and cathode have been systematically identified. The influence of the additives on the cathodic and anodic reactions show the importance of careful bath preparation for a quality controlled product. From the surface coverage data, the free energy change (ΔGa0 ) for the adsorption of the brighteners has been calculated and compared with results from methods used earlier.
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