Composition for the control of corrosion on iron surfaces in wat

Details Composition for the control of corrosion on iron surfaces in wat Composition for the control of corrosion on iron surfaces in wat

1989-08-02

1992-03-03

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

422 16, 422 17, 252391, 252392, C23F 1100

Patent

active

050930770

ABSTRACT:
A composition and method for inhibiting corrosion on metallic surfaces which either have been immersed in and removed from an aqueous medium or are partially immersed in a static aqueous medium. The invention comprises adding to an aqueous medium a composition comprising ammonium lignosulfonate, NO.sub.2, B.sub.4 O.sub.7 and SiO.sub.2.

REFERENCES:
patent: 3598756 (1971-08-01), Heit
patent: 3699047 (1972-10-01), Petrey
patent: 4443340 (1984-04-01), May et al.
patent: 4789523 (1988-12-01), Schilling et al.

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