Abstract
Finely divided silver powder was prepared from a cyanide bath at a vibrating stainless steel cathode under potentiostatic control. The mechanism of the process was investigated using potentiokinetic methods, scanning electron microscopy and other techniques. The morphology of the powders obtained from cyanides was found to be quite different from that reported using the more conventional nitrate bath. Vibration was found to enhance considerably the mass transport to the cathode and thus enabled higher current densities to be used. This fact, rather than promotion of powder detachment, appears to be the main advantage of vibration.
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