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Old 02-17-2003, 12:46 PM
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dancollinsjr
Default Best Cathodes for Anodizing

I have 99.9% pure chemical lead, lead with 5% antimonial and 6063 aluminum on hand. Ignoring the health hazard of the lead, which of these is the best material for cathodes?
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Old 02-17-2003, 03:12 PM
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The lead/antimony mix is the one we use. Gives good results.
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Old 03-10-2003, 01:04 PM
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why is lead used as a cathode? does it participate in the chemical rxn? Is it a catalyst? Please pardon my ignorance, but I hope to remedy it by asking questions and learning.
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Old 03-10-2003, 01:49 PM
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Because it's cheap and easily provides a large area for current to flow through. It doesn't participate in the reaction.
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