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A Method for Quantifying the Synergistic Inhibitory Effect of Corrosion Inhibitors When Used in Combination: A ‘Chromate Generating Coating’

“…However, these chemistries are currently being phased out of use under Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) regulations, 2,3 and their replacement with non-toxic, noncarcinogenic, environmentally friendly 'green' substitutes is therefore a topic of much research interest. [4][5][6][7][8][9][10][11][12] Despite ongoing effort, an alternative which offers corrosion inhibition greater than, or equal to, that afforded by chromate has not yet been identified. An increasing amount of research is focused on the ability of two or more inhibitors to provide corrosion protection when used in conjunction with one another.…”