Pickling of aluminum

Details Pickling of aluminum Pickling of aluminum

1982-02-11

1983-07-19

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25F 104

Patent

active

043942326

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.

REFERENCES:
patent: 1049603 (1913-01-01), Rosenberg
patent: 4042475 (1977-08-01), Bijlmer
patent: 4132568 (1979-01-01), Irwin
Chemical Abstracts Article, vol. 92, No. 16, Apr. 21, 1980.

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