Process for the galvanic deposition of zinc phosphate or zinc-calcium phosphate

摘要

Electrodeposition of zinc phosphate or zinc calcium phosphate on metal substrates comprises adding zinc and/or calcium carbonate to an acidic electrolyte. - An INDEPENDENT CLAIM is also included for an acidic electrolyte for electrodeposition of zinc phosphate or zinc calcium phosphate on metal substrates, comprising zinc and/or calcium ions and carbonate ions.