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.

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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
Language [English]
Format Electronic
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].
Date 1969.
Number of Pages p. 1129-1134 :
Catalogue Number
  • M38-8/87E-PDF
Departmental Catalogue Number 300166
Subject Terms Steel, Processing