Corrosion inhibitor for aluminum in aqueous acids

Details Corrosion inhibitor for aluminum in aqueous acids Corrosion inhibitor for aluminum in aqueous acids

1980-03-24

1983-01-25

Willis, Jr., P. E.

Compositions

Preservative agents

Anti-corrosion

252148, 252151, 252395, C23F 1104, C23G 106

Patent

active

043702562

ABSTRACT:
The corrosion of aluminum in the presence of aqueous mineral acid solutions containing conventional nitrogen base ferrous metal corrosion inhibitors is markedly reduced by incorporating an alkyl, aryl or alkylaryl sulfonate or sulfate surface active agent as an additional corrosion inhibiting agent.

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patent: 3415748 (1968-12-01), Kovalski
patent: 3481882 (1969-12-01), Streicher
patent: 3793221 (1974-02-01), Otrhalek et al.
patent: 3802890 (1974-04-01), Keeney

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