Metal finishing Q&As since 1989
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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. LOPEZETAL 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]concentration in the bath would rise, resulting in having to decant the solution. The grain structure of the copper deposit would also be affected.
Process Engineer - Syracuse, NY USA
2007
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