Effect of pyridine and its derivatives on the electrodeposition of nickel from aqueous sulfate solution part II: polarization behaviour

U.S.Mohanty; S.C.Das

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Effect of pyridine and its derivatives on the electrodeposition of nickel from aqueous sulfate solution part II: polarization behaviour

机译：吡啶及其衍生物对硫酸水溶液中镍电沉积的影响第二部分：极化行为

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The electorchemical reactions occurring during electrodepositon of nickel from acidic sulfate solutions were examined by cyclic and linear sweep voltammetry techniques.The effect of pyridine,2-picoline and 4-picoline on the electrode polarization behaviour and electron transfer parameter of the cathodic reduction process was also investigated.Strongest electrode polarization was seen with 4-picoline.The order of cathodic polarization was 4-picoline>2-picoline>pyridine.Kinetic parameters such as Tafel slope,transfer coefficient and exchange current density were deterined to analyse the nature of the electrode reactions.The exchange current density for nickel deposition on nickel and stainless steel substrates was in theorder 4-picoline<2-picoline>pyridine.

机译：通过循环和线性扫描伏安法研究了在酸性硫酸盐溶液中镍电沉积过程中发生的电化学反应。还研究了吡啶，2-甲基吡啶和4-甲基吡啶对阴极还原过程中电极极化行为和电子传递参数的影响。用4-picoline观察到最强的电极极化，阴极极化顺序为4-picoline> 2-picoline>吡啶，确定动力学参数如Tafel斜率，转移系数和交换电流密度以分析电极的性质镍在镍和不锈钢基底上沉积的交换电流密度为4-picoline <2-picoline>吡啶。

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《Journal of Applied Electrochemistry》 |2001年第9期|共4页
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U.S.Mohanty; S.C.Das;
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中图分类电化学工业;物理化学（理论化学）、化学物理学;
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1. Effect of pyridine and its derivatives on the electrodeposition of nickel from aqueous sulfate solution part II: polarization behaviour [J] . U.S.Mohanty, S.C.Das Journal of Applied Electrochemistry . 2001,第9期

机译：吡啶及其衍生物对硫酸水溶液中镍电沉积的影响第二部分：极化行为
2. Effect of pyridine and its derivative on the electrodeposition of nickel from aqueous sulfate solutions Part I: Current efficiency, surface morphology and crystal orientation [J] . U. S. Mohanty, B. C. Tripathy, P. Singh, Journal of Applied Electrochemistry . 2001,第5期

机译：吡啶及其衍生物对硫酸盐水溶液中镍电沉积的影响第一部分：电流效率，表面形态和晶体取向
3. Effect of Cd~(2+) on the electrodeposition of nickel from sulfate solutions. Part II: Polarisation behaviour [J] . U. S. Mohanty, B. C. Tripathy, P. Singh, Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry . 2004,第1期

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4. Separation of Iron (III) and Nickel (II) from Acidic Sulfate Leaching Solution of Molybdenum-Nickel Black Shale [C] . Zhigan Deng, Xingbin Li, Gang Fan, Global Conference on Extractive Metallurgy . 2018

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Effect of pyridine and its derivatives on the electrodeposition of nickel from aqueous sulfate solution part II: polarization behaviour

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