New Mechanism on Synergistic Effect of Nitrite and Triethanolamine Addition on the Corrosion of Ductile Cast Iron

Figure 1

The effect of single addition and coaddition of corrosion inhibitor on the corrosion rates of DCI (25°C tap water + x ppm corrosion inhibitor). (a) , (b) TEA, and (c) + TEA.

(a)

(b)

(c)