C - Chemistry – Metallurgy – 23 – F
Patent
C - Chemistry, Metallurgy
23
F
C23F 1/30 (2006.01) C23F 1/44 (2006.01)
Patent
CA 2101973
ABSTRACT OF THE DISCLOSURE: The invention relates to a solution for removing zinc on the surface of a galvanized metal part, said solution comprising: phosphoric acid; alcohol of formula R-OH where R is an alkyl radical having from 1 to 6 carbon atoms; hydroquinone; and water. The invention also relates to a method for removing zinc on the surface of a galvanized metal part, said method comprising the steps of: preparing a solution containing phosphoric acid, alcohol of formula R-OH where R is an alkyl radical having from 1 to 6 carbon atoms, hydroquinone, and water; dipping said part in a bath of said solution; and removing said part from said bath and rinsing it.
Masse Alain
Murray Donald
Encore Materials Technologies Inc.
Robic
LandOfFree
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