Electrolytic stripping bath and process

Details Electrolytic stripping bath and process Electrolytic stripping bath and process

1979-10-29

1980-11-11

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412995, C25F 500, C25F 302

Patent

active

042331242

ABSTRACT:
An improved electrolytic bath composition and process for stripping metal deposits from a different basis metal comprising an aqueous solution containing activating halogen compounds, an amine, nitro and/or nitrate stripping component, and an inhibiting agent to inhibit attack of the basis metal comprising glucoheptonic acid, malic acid, and mixtures thereof as well as the Group IA, IIA and ammonium salts thereof. The stripping of the metal deposit is effected by immersion of the object in the bath while anodically charged and passing electric current through the bath to a cathode for a period of time sufficient to achieve the desired magnitude of stripping of the metal deposit.

REFERENCES:
patent: 3492210 (1970-01-01), Bowers
patent: 3617456 (1971-11-01), Dillenberg
patent: 3619390 (1971-11-01), Dillenberg
patent: 3649489 (1972-03-01), Dillenberg
patent: 3793172 (1974-02-01), Cadieux
patent: 3912603 (1975-10-01), Mietens

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