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Effect of Various Parameters and Addition Agents on the Throwing Power of a Citrate-Based Zn-Mn-Mo Electrodeposition Bath

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  • Renu Rastogi

    (Department of Chemistry, Brahmanand P.G. College, Kanpur)

Abstract

This study quantifies macro throwing power via the throwing number for electrodeposition of a Zinc-Manganese-Molybdenum Alloy from citrate bath as a function of temperature, pH ,metal-salt concentrations, and organic addition agents under controlled electrochemical conditions. Across the reported ranges, throwing number rises with temperature and with zinc or ammonium molybdate concentration, while increasing pH or manganese concentration depresses the throwing number at 25°C and pH 2.05, consistent with concurrent changes in specific resistance and cathodic polarization behavior that govern current redistribution across near and far cathode regions. Among addition agents tested at 25°C and pH 2.05, glycine markedly increases throwing number, urea offers modest gains, and sucrose or thiourea significantly suppress throwing number.

Suggested Citation

  • Renu Rastogi, 2026. "Effect of Various Parameters and Addition Agents on the Throwing Power of a Citrate-Based Zn-Mn-Mo Electrodeposition Bath," International Journal of Research and Innovation in Applied Science, International Journal of Research and Innovation in Applied Science (IJRIAS), vol. 11(16), pages 1-8, May.
    • Handle: RePEc:bjf:journl:v:11:y:2026:i:16:p:1-8
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