Claims
- 1. A method for preventing corrosion of steel in contact with an aqueous liquid consisting of maintaining in the aqueous liquid from 0.1 to 50,000 ppm of an azole compound selected from the group consisting of pyrazoles, imidazoles, isoxazoles, oxazoles, isothiazoles, thiazoles and mixtures thereof and from 0.1 to 50,000 ppm of water-soluble phosphate selected from the group consisting of phosphoric acid, trisodium phosphate, dipotassium phosphate, monosodium phosphate, disodium phosphate, and tripotassium phosphate.
Parent Case Info
This application is a continuation of copending Ser. No. 685,008, filed May 10, 1976, now abandoned.
US Referenced Citations (9)
Continuations (1)
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Number |
Date |
Country |
Parent |
685008 |
May 1976 |
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