Corrosion inhibitor

Details Corrosion inhibitor Corrosion inhibitor

1982-11-16

1985-04-23

Padgett, Ben R.

Compositions

Radioactive compositions

Nuclear reactor fuel

252392, 252394, 252181, C23F 1118, C09K 300

Patent

active

045125520

ABSTRACT:
A corrosion inhibitor for ferrous metals comprising four different components of (a) an inorganic acid component (such as molybdate or tungstate), (b) an aliphatic hydroxycarboxylic or aliphatic dicarboxylic acid or its salt (such as citric acid, gluconic acid or succinic acid), (c) an inorganic heavy metal compound (such as zinc chloride or stannous chloride) and (d) a water soluble polymer component having a molecular weight of 500-100,000 (such as acylic homo or copolymer), which is especially advantageous for use in water recycling system.

REFERENCES:
patent: 3699052 (1972-10-01), Petrey, Jr. et al.
patent: 3885914 (1975-05-01), Hollingshad et al.
patent: 3891568 (1975-06-01), Nishio et al.
patent: 4018702 (1977-04-01), Boffardi et al.
patent: 4089796 (1978-05-01), Harris et al.
patent: 4113498 (1978-09-01), Rones et al.
patent: 4120655 (1978-10-01), Crambes et al.
patent: 4126549 (1978-11-01), Jones et al.
patent: 4250042 (1981-02-01), Higgins

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