Method and means for treatment of surfaces

Details Method and means for treatment of surfaces Method and means for treatment of surfaces

C - Chemistry, Metallurgy

23

C

148/16, 117/77,

C23C 22/06 (2006.01)

Patent

CA 1143632

ABSTRACT A method of treatment of a metal surface in which there can be metal oxides on the surface which includes applying to the surface a solution formulated to be substantially non-reactive with the oxide allowing this to perfuse through the oxide but to be substantially reactive with the underlying metal and to also include metals to act as a buffer to localise action on the under- lying metal and further provide a pacivating coat the method including the further step of then coating such appropriate surface. The solution may contain a weak acid in substantial concentration and significant quantities of a buffering and inhibiting type compound as well as soluble metal salts.

340835

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