Copper Electroplating Bath

Copper Electroplating Bath

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Credit: SHEILA TERRY/SCIENCE PHOTO LIBRARY

Caption: Diagram of a 19th century, battery-powered, electrochemical plating bath for electroplating copper. The objects to be copper plated, A A, are connected to the negative terminal of the power supply, the cathode. The letters B B represent copper pieces connected to the positive terminal, the anode. The electrodes are immersed in the electrolyte consisting of a solution of copper sulphate. The metal passes from the anode into solution in the electrolyte and is then deposited on the cathode.

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Keywords: 19th century, anode, cathode, copper, copper sulphate, deposition, electrode, electrolysis, electrolyte, electroplating, eletrochemical, history of science, history of technology, plating

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