Pickling of aluminum
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United States of America Patent
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-
Aug 9, 1983
Grant Date -
N/A
app pub date -
Feb 11, 1982
filing date -
Feb 12, 1981
priority date (Note) -
Expired
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Abstract
Articles of aluminum are pickled by placing them as anodes into a sulfuric acid bath in the absence of chromic acid or bichromate and connecting them by a short-circuit connection to a carbon cathode placed in the same bath. The process also excludes the application of an anodic control voltage.
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