Inhibitor of the corrosion of a metal material such as steel

Details Inhibitor of the corrosion of a metal material such as steel Inhibitor of the corrosion of a metal material such as steel

1994-11-22

1996-10-22

Gibson, Sharon

Compositions

Preservative agents

Anti-corrosion

106 1414, 508163, C10M17302

Patent

active

055673546

ABSTRACT:
The invention relates to a corrosion inhibitor for a metal material such as steel, of the type consisting of an aqueous solution containing an alkali metal nitrite, wherein said solution contains 0.01 to 0.3 mol/l of an alkali metal nitrite, 0.01 to 0.3 mol/l of an alkali metal phosphate, and phosphoric acid in a proportion of a quantity sufficient to maintain the pH of said solution, measured at ambient temperature, between 6.9 and 7.2.

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