期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 575, 期 2, 页码 301-309出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2004.09.022
关键词
deposit morphology; electrodeposition; phase structure; stripping; sulphate-tartrate bath; tin-zinc alloys
The electrodeposition of tin-zinc alloys with 20-30% Zn by weight from sulphate-tartrate baths at pH 4 and 5 and different c(L)/(c(Sn) + c(Zn)) ratios was studied. The anodic stripping analysis of the deposits was correlated with their morphology, composition and phase structure both on vitreous carbon and on copper electrodes. The use of tartrate anion as a complexing agent allows deposits to be obtained with a uniform composition and morphology under stirred conditions during the electrodeposition process. The deposited tin zinc alloy is a mixture of Zn and betaSn phases, with a Zn content of around 20% by weight. (C) 2004 Elsevier B.V. All rights reserved.
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