Korrosionsinhiberande kompositioner, produkter som innehåller små mång der av dessa kompositioner och förfaranden för deras användning

摘要

A corrosion inhibitor system comprising at least one member selected from (a) sodium fluorophosphate, (b) a water soluble salt of at least one phosphonic acid derivative having the general formula Rn R<1> N (CH2 PO3 H2)2-n wherein R and R<1> are each independently selected from alkyl, aminoalkyl and hydroxyalkyl, and n is 0 or 1. Also deicer compositions based on such corrosion inhibitor compositions.