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Nickel as an aluminum anodizing contaminant

Q. It was just brought to my attention that for some reason we recently penetrant inspected some parts that had been nickel plated. Since they were penetrant inspected, we had to etch them, which I don't think did aything to them but the ensuing Nitric acid deox probably did. After deoxidation, they were then Sulfuric Acid anodized. My question is, Is there any possibility of this small amount of Ni in the Anodize hurting the process?

Scott Merritt
Chemist - Eastman, Georgia, United States
June 11, 2012

A. NO.

Robert H Probert
Robert H Probert Technical Services

Garner, North Carolina

June 13, 2012

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