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Effect of condensation product of glycyl–glycine and furfural on electrodeposition of zinc from sulphate bath
H B Muralidhara Y Arthoba Naik T V Venkatesha
Corrosion Studies Volume 29 Issue 5 October 2006 pp 497-503
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https://www.ias.ac.in/article/fulltext/boms/029/05/0497-0503 -
Keywords
Electroplating of zinc ;furfural ;glycyl–glycine ;Hull cell studies ;sulphate bath. -
Abstract
Zinc electrodeposition from sulphate bath was carried out in presence of condensation product formed between glycyl–glycine (GGL) and furfural (FFL). The bath constituents were optimized through Hull cell experiments. Operating parameters such as pH, temperature and current density were also optimized. Current efficiency and throwing power were measured. Polarization study revealed shift of potential towards negative direction in the presence of addition agents. Corrosion resistance test revealed good protection of base metal by zinc coating obtained from developed electrolyte. SEM photomicrographs showed fine-grained deposit in the presence of condensation product. IR spectrum of the deposit showed inclusion of condensation product in the deposit during plating. The consumption of brightener in the lab scale was 7 mLL-1 for 1000 amp-h.
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Author Affiliations
H B Muralidhara1 Y Arthoba Naik1 T V Venkatesha1
- Department of PG Studies and Research in Chemistry, School of Chemical Sciences, Kuvempu University, Shankaraghatta 577 451, India
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Dates
- Published
- October 2006
- Manuscript received
- 26 May 2006
- Manuscript revised
- 17 July 2006
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