Effects of additives on the electrodeposition of tin from an acidic Sn(II) bath |
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| Authors: | G S Tzeng S H Lin Y Y Wang C C Wan |
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| Affiliation: | (1) Department of Mathematics & Science Eduction, National Hualien Teachers College, 97055 Hualien, Taiwan, Republic of China;(2) Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan, Republic of China |
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| Abstract: | Additive effects of formaldehyde, propionaldehyde and benzaldehyde on the deposition of tin in acidic solution of tin(II) sulfate have been investigated. The effects of these additives on cathodic polarization and a.c. impedance was measured by galvanostatic or potentiostatic methods, respectively. The reduction products of the aldehyde during the deposition and the diffusion coefficient of Sn(II) in various solutions were also determined. |
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