ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): K. Juliet Gnana Sundari, C. Joseph Kennady, S. Rajendran

Email(s): juliemoses@yahoo.com

DOI: Not Available

Address: K. Juliet Gnana Sundari1*, C. Joseph Kennady1 and S. Rajendran2
1Department of Chemistry, Karunya University, Tamil Nadu
2G. T. N. Arts College, Dindigul, Tamil Nadu
*Corresponding Author

Published In:   Volume - 3,      Issue - 4,     Year - 2010


ABSTRACT:
Zinc alloy coatings are considered as good substitutes for cadmium coating because cadmium is toxic in nature. Electrodeposition of Zinc- nickel alloy on mild steel is carried out from the electrolytic bath solution containing zinc oxide, sodium hydroxide and Nickel sulphate with EDTA as complexing agent. Plating process parameters such us current density, temperature and bath composition are optimized using galvanostatic electrolysis. The deposit obtained is uniform and semi bright. Zinc- nickel alloy is also electrodeposited from the bath solution containing various concentration of benzaldehyde. The deposits are uniform and bright the composition of nickel in the electrodeposits is studied by atomic absorption spectroscopy. Surface morphology of the deposit is studied by scanning electron microscopy and thickness of the deposit is determined by x-ray diffraction studies. Corrosion resistance measurement is done by tafel and impedance studies. It is observed that current efficiency and corrosion resistance of the zinc nickel alloy deposited specimen with benzaldehyde are greater than the deposited specimen without benzaldehyde.


Cite this article:
K. Juliet Gnana Sundari, C. Joseph Kennady, S. Rajendran. Effect of Benzaldehyde on the Properties of Zinc- Nickel Alloy Electrodeposits from EDTA Bath. Asian J. Research Chem. 3(4): Oct. - Dec. 2010; Page 1044-1049.


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RNI: Not Available                     
DOI: 10.5958/0974-4150 

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