Triaryl And Trialkyl Phosphites As Corrosion Inhibitors For Copper In Nitric Acid
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Some triaryl and trialkyi phosphites were investigated as inhibitors of the corrosion of copper in nitric acid. The values of inhibitor efficiency from weight-loss measurements are in good agreement with those obtained from polarization studies. Potential and polarization data indicate that the action of all compounds used are of a mixed type, they hinder both anodic and cathodic reactions. The inhibitors appear to function through general adsorption following the Langmuir adsorption isotherm. The effect of temperature on the rate of corrosion with and without inhibitors was studied using weight-loss techniques. Some thermodynamic functions were also computed.
- Qatar University Science Journal - [From 1981 TO 2007] [770 items ]