Composition for protecting metal surfaces against corrosion

Details Composition for protecting metal surfaces against corrosion Composition for protecting metal surfaces against corrosion

C - Chemistry, Metallurgy

23

F

31/34

C23F 11/00 (2006.01) C23F 11/12 (2006.01)

Patent

CA 1219119

ABSTRACT OF THE DISCLOSURE An aqueous treating solution for protecting metal surfaces against corrosion which comprises the salt of at least one aliphatic carboxylic acid having 6 to 10 carbon atoms (component A), the salt of at least one polyoxycarboxylic acid having 6 to 8 carbon atoms (component B) and the salt of at least one aromatic monocarboxylic acid (component C), wherein the salt-forming cations of the components A, B and C acids are predominantly alkali metal ions, and wherein the molar ratio of component A to component B is from about 10 : 1 to 1 : 5, the molar ratio of component A to component C is from about 5 : 1 to 1 : 5 and the molar ratio of component B to component C is from about 5 : 1 to 1 : 10.

430914

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