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The Influence of Temperature on the Co-deposition of Iron in Electro deposited Zinc Metal Films | ||
| Al-Fatih journal | ||
| Article 1, Volume 4, Issue 37, 2008, Pages 23-31 | ||
| Abstract | ||
| The bulk of all previous work (1-8) concerned with impurities in zinc baths have been devoted either to its effects on the mode of crystal growth specially the appearance of spongy growth , or to the faradic yields in Zn electrowinning form zinc chloride, or zinc alkaline baths. Both the iron (II) and the iron (III) ions as minor impurities in Zncl2 bath at low current densities (1-100 mAcmˉ²) were found neither co-deposit locally nor alloy with zinc, but they have a catalytic effect on the spongy growth of pure zinc (6, 7). Most of those investigations were carried out at very low current densities I ≤50mA.cmˉ² and at low concentration of metal ions ≤ 10ppm at room temperature. This paper reports the influence of temperature on co-deposition of Fe with Zn in presence of Various Concentration of Fe (II) in acidic Zinc sulfate solution by using gelvanostatic . | ||
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