Process for the electrodeposition of chrome plate using fluorine

Chemistry: electrical and wave energy – Processes and products

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204DIG1, C25D 310

Patent

active

040060640

ABSTRACT:
In the electrodeposition of a chrome layer wherein the chrome is deposited from an electrolyte solution containing a hexavalent chromium compound in the presence of a fluorine-based surfactant, the improvement which comprises employing as the fluorine-based surfactant a quaternary ammonium perfluoralkane sulfonate of the formula

REFERENCES:
patent: 2750335 (1956-06-01), Brown et al.
patent: 2846380 (1958-08-01), Brown
patent: 3432408 (1969-03-01), Brown et al.
patent: 3476753 (1969-11-01), Hansen

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