Process for removing nickel from the surface of metal parts e.g. permanent magnets comprises using chemical or electro-chemical etching

摘要

Process for removing nickel from the surface of metal parts comprises using chemical or electro-chemical etching. Preferred Features: The metal parts are electrically conducting and are connected to each other in a moving vessel. The metal parts are formed as the anode in an electrolysis device containing an electrolyte solution.