Pickling of aluminum
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United States of America Patent
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-
Jul 19, 1983
Grant Date -
N/A
app pub date -
Feb 11, 1982
filing date -
Feb 12, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Articles of aluminum are pickled by immersing them into a sulfuric acid bath containing no chromic acid or bichromate but having carbon particles suspended therein. The carbon particles will form tiny electric cells with the aluminum articles at their places of contact and will initiate electrochemical dissolution phenomena there at the point of contact.
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