The corrosion of aluminium in solutions of sodium fluoride and sodium chloride

Author： Lorking K. F.   Mayne J. E. O.  

Publisher： Maney Publishing

ISSN： 0007-0599

Source： British Corrosion Journal, Vol.1, Iss.5, 1966-03, pp. : 181-182

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Abstract

The corrosion of 99·997% aluminium by 0·1 N-sodium fluoride and chloride has been examined in the presence of air over the pH range 2—13. When a solution of either salt was saturated with aluminium oxide, corrosion was arrested.Under anaerobic conditions, 0·1 N-sodium fluoride attacked the air-formed oxide film and corrosion was rapid, in contrast no corrosion was observed in 0·1 N-sodium chloride solution.

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