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PHOS COPPER ANODES

Just curious: Why must bear phos the copper used as anodes? What specific function plays the phosphorous?

RICARDO D. LOPEZ
ETAL S.A. DE C.V. - Mexico City, Mexico
2007

Ricardo,
Phos Cu anodes are used to limit the unbalance of Cu+ in the solution. Without the recommended phosphorous content the anode film formation would be too loose and unwanted particulates could be deposited on the cathode. Also the copper sulphate ⇦ on eBay or Amazon [affil link] concentration in the bath would rise, resulting in having to decant the solution. The grain structure of the copper deposit would also be affected.

Mark Baker
Process Engineer - Syracuse, NY USA
2007

adv.: Supplier of Copper Anodes, Nickel Anodes, Bismuth Metal, & Other Metal Products for Industry & The Arts

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