Some Jari Plating Defects and their Removal

Banerjee, T and Sen, B L (1951) Some Jari Plating Defects and their Removal. Other (TMP). CSIR-NML, Jamshedpur, Jamshedpur.

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Some Jari Platers at Surat were finding troubles with old plating baths which presented one or more of these difficulties: a)Bad adhesion of the electro-deposit b)Absence of plate after electrolysis c)Some tainted yellowish red The adhesion of the plate to the base metal was rectified by the addition or control of some addition agents specially potassium iodide. The absence of electro-deposit was mainly due to an excess of free cyanide and was removed by adjusting the same. The tainted effect was astonishingly traced not to the impurities of the salt used or bad electrical connection, but to the negligence of the platers who did not care to remove the negligence of the platers who did not care to remove the coils of copper-wire from the bath into which some of them dropped accidentally during electrolysis.

Item Type:Project Reports (Other (TMP))
Uncontrolled Keywords:Jari Plating baths, potassium iodide, free cyanide, coils of copper-wire, electrolysis
Divisions:Information Management and Dissemination Centre
ID Code:8675
Deposited By:Dr Mita Tarafder
Deposited On:17 Feb 2022 16:14
Last Modified:20 May 2022 16:40
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