Mercaptobenzothiazole and ferrous ion corrosion inhibiting compo

Details Mercaptobenzothiazole and ferrous ion corrosion inhibiting compo Mercaptobenzothiazole and ferrous ion corrosion inhibiting compo

1985-07-22

1987-05-26

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

422 14, 422 19, 25238953, 252391, 252394, 252395, C23F 1114, C23F 1116

Patent

active

046684743

ABSTRACT:
The present invention is directed to a composition and method for inhibiting the corrosion of copper and copper alloy metals in aqueous systems. The composition comprises mercaptobenzothiazole and added ferrous ions in a ratio of 1:1 to 1:10, by weight. The method comprises adding this composition to the aqueous system being treated.

REFERENCES:
patent: 2194491 (1940-03-01), Bird et al.
patent: 3959166 (1976-05-01), Oberhofer et al.
patent: 4219433 (1980-08-01), Manabe et al.
Chemical Engineering, edited M. M. Hoover, Dec., 1954, pp. 230, 232, 234.

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