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Effect of pyridine and picolines on the electrocrystallisation of nickel from sulphate solutions
Journal article   Peer reviewed

Effect of pyridine and picolines on the electrocrystallisation of nickel from sulphate solutions

U.S. Mohanty, B.C. Tripathy, P. Singh, S.C. Das and V.N. Misra
Surface and Coatings Technology, Vol.197(2-3), pp.247-252
2005
DOI: https://doi.org/10.1016/j.surfcoat.2004.07.127
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Abstract

The effect of pyridine, 2-picoline and 4-picoline on current efficiency (CE), deposit morphology, crystallographic orientation and polarization of the cathode during electrodeposition of nickel from acidic sulphate solutions containing boric acid were investigated. These additives were found to have no significant effect on current efficiency. However, the nickel deposits obtained were smoother, more compact and more leveled in case of picolines than with pyridine. The (200) plane was the most preferred plane and was not affected by the presence of these additives in the electrolyte. Each of the additives polarized the cathode with the order of polarization being 4-picoline>2-picoline>pyridine. The quality of the deposit was improved by these additives in the order 4-methyl pyridine>2-methyl pyridine>pyridine.

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
2 Chemistry
2.210 Corrosion & Deposition Chemistry
2.210.791 Electrodeposition
Web Of Science research areas
Materials Science, Coatings & Films
Physics, Applied
ESI research areas
Materials Science
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