Aqueous liquids containing metal cavitation-erosion corrosion in

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal

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Details

210697, 210698, 252175, 252181, 252389A, 252396, 422 15, 422 18, 422 19, C23F 1104, C23F 1118, C02F 510

Patent

active

044407211

ABSTRACT:
Compositions for inhibiting mineral scale and the corrosion of metals particularly the cavitation corrosion of aluminum in the presence of aqueous liquids are disclosed. The combination of a water-soluble phosphate with at least one of a water-soluble molybdate, tungstate, or selenate is disclosed as providing a synergistic protective effect against the cavitation corrosion of aluminum in aqueous liquids.

REFERENCES:
patent: 4210549 (1980-07-01), Hirozawa et al.
patent: 4217216 (1980-08-01), Lipinski
patent: 4219433 (1980-08-01), Manaba et al.

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