Corrosive Iron and Corrosion Inhibitor Cupper Surface Effects of Natural Calotropis procera Emulsion

Metals protection from corrosion is of technical, environmental and economical significance. Using plant products as inhibitors is considered as one of the best process for metal protection because they are safety bio- and eco-friendly. Moreover, plant products are inexpensive, readily available. Calotropis procera commonly known as Ushaar is a wide spread plant in KSA. Its emulsion contains many organic compounds. A simple study of the corrosive effect of the natural toxic Calotropis procera plant emulsion of both iron and cupper metals is realized using simple weight measurements. The obtained results show a low diminution of iron metal weight, and a low augmentation weight of the cupper metal by adsorbation on the surface of cupper metal. The evaluation of the potential of Calotropis procera emulsion as a corrosion inhibitor was realized by measuring the effect of hydrochloric acid and sodium chloride salt solutions media on the covered copper bars.