Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry
ISSN: 0975-413X
Abstract
Study of the Inhibitory Effect of Essential Oils of Indian Costus Against Corrosion of Steel of Iron C35 in a Medium Acid
Author(s): Alami Y, Mouissa M, Rhaiem N, O. Elbekkali O, Gala M, Tazi S, Ebn Touhami M, Chaouche A, Ouhssine MEssential oils extracted of aromatic plants are studied in various fields. To expand their application, a study of their inhibitory effects against corrosion of metals is performed, to replace toxic chemical products used. The used tools in this study is the extracted essential oil roots of the Indian Costus plant by hydrodistillation and the steel metal of iron C35 placed in an acidic medium. The yield in essential oil is 0.15%. The results obtained show the beneficial effect of these oils on the metal, if the concentration of essential oil is higher (2 g/l) more than the corrosion rate is low (94%). Similarly, if the concentration in inhibitor increases more than capacity Double layer Cdc decreases (38.42 uF/cm2 for a concentration of 2 g/l). In the same way essential oil of Indian Costus is a good corrosion inhibitor in the temperature range from 25°C to 55°C.
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