Method of inhibiting corrosion in aqueous systems

Details Method of inhibiting corrosion in aqueous systems Method of inhibiting corrosion in aqueous systems

C - Chemistry, Metallurgy

23

F

31/43

C23F 11/18 (2006.01)

Patent

CA 1257469

ABSTRACT OF THE DISCLOSURE METHOD OF INHIBITING METAL CORROSION IN AQUEOUS SYSTEMS A method of inhibiting corrosion of a metal surface in an aqueous system comprising introducing corrosion inhibiting cations into the aqueous system characterised in that the corrosion inhibiting cations are selected from the group comprising cations of yttrium and cations of the metals of the lanthanum series which metals have atomic numbers from 57 to 71 inclusive. The cations may be introduced in the form of water soluble salts. Alternatively the cations may be releasably bound by ion exchange to a substrate and the ion-exchanged substrate introduced into the aqueous system.

462985

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