Improved silver cyanide plating baths: M38-8/87E-PDF
laboratory development /
"Improved silver plating results were obtained during laboratory experiments in which the bath constituents were related to one another as follows: (1) Y = 0.374 + 0.768X – 0.178X2 where Y = OH – normality, and X = “free” CN – normality; (2) total NaCN normality/Ag normality is between 6.1 and 8.1 (the exact value depending on the bath composition). The advantages of these improved silver plating baths include: low rate of cyanide consumption and carbonate formation; high current efficiency and low cell voltage when operating at comparatively high cathode current density; deposition of uniform fine-grained deposits in the absence of brighteners; insolubility of the silver anodes in the plating bath when the latter is not in use; absence of silver deposition on unconnected steel cathodes immersed in the plating bath; ability to plate satisfactory silver deposits directly on steel; ability to plate high strength steels, such as Types 1062 and 4037, directly with silver without embrittling the steels"--Abstract, p. 1129.
|Department/Agency||Natural Resources Canada. Dept. of Energy, Mines and Resources. Mines Branch.|
|Title||Improved silver cyanide plating baths|
|Subtitle||laboratory development /|
|Series Title||Reprint series ;|
|Publication Type||Series - View Master Record|
|Electronic Document|| |
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|Note||Cover title. "Reprinted from Publication Plating, vol. 56, no. 10, pp. 1129-1134, October 1969." Historical publication digitized from print 2017 [by Natural Resources Canada].|
|Number of Pages||p. 1129-1134 :|
|Departmental Catalogue Number||300166|
|Subject Terms||Steel, Processing|
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