Electrocleaning method and composition

Details Electrocleaning method and composition Electrocleaning method and composition

1976-02-20

1977-03-01

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204145R, 252 86, C25F 106, C25F 102

Patent

active

040100863

ABSTRACT:
An improved method of electrocleaning metal is provided which includes passing electrical current through the metallic article to be cleaned while it is positioned in an aqueous alkali metal hydroxide containing electrolyte to which has been added a cleaning agent selected from the group consisting of 1-hydroxyethylidene-1,1-diphosphonic acid, an alkali metal salt of 1-hydroxyethylidene-1,1-diphosphonic acid and mixtures thereof.
Compositions for the practice of the above method are also disclosed.

REFERENCES:
patent: 2915444 (1959-12-01), Meyer
patent: 3207683 (1965-09-01), Hermann
patent: 3796645 (1974-03-01), Fujita

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