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Inhibitor Replacements Current and Potential Applications

Chromate Inhibitor Replacements Current and Potential Applications [Pg.57]

Given some basic information about the corrosion inhibition mechanisms of chromates, many studies have been conducted for chromate replacements. For effective replacement of hexavalent Cr, however, an inhibitor has to inhibit the oxygen reduction reaction as well as anodic dissolution/pitting, and several studies indicate that hybrid formulations seem to be the best way to do just that. Typically, in these hybrid formulations an organic oxygen reduction reaction inhibitor is included with environmentally benign anodic inhibiting anions. [Pg.57]

Other commonly used inhibitors that passivate independent of dissolved oxygen are nitrites. Nitrites are the established inhibitors for rusting machinery tooling and workpieces, and [Pg.57]




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Current and potential

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