Composiciones regeneradoras y métodos de regeneración de composiciones de pretratamiento

摘要

Disclosed are replenisher compositions and methods of replenishing pretreatment compositions. The methods include adding a replenisher composition to a pretreatment composition wherein the replenisher composition includes (a) a zirconium complex and also optionally includes: (b) a dissolved complex metal fluoride ion wherein the metal ion comprises a Group IIIA metal, Group IVA metal, Group IVB metal, or combinations thereof; (c) a component comprising an oxide, hydroxide, or carbonate of Group IIIA, Group IVA, Group IVB metals; or combinations thereof; and/or (d) a dissolved metal ion comprising a Group IB metal, Group IIB metal, Group VIIB metal, Group VIII metal, Lanthanide Series metal, or combinations thereof.