Effect of neem leaf (Azadirachita indica) extract on the corrosion inhibition of mild steel in dilute acids

International Journal of Physical Sciences

C. A. Loto¹ 

关键词: Neem extract;    corrosion;    inhibition;    corrosion rate;    mild steel;    weight loss;    sulphuric and hydrochloric acids.;   

DOI  :  10.5897/IJPS11.385

学科分类：物理（综合）

来源: Academic Journals

【 摘 要 】

The corrosion inhibition performance of Neem leaf (Azadirachita indica) extract on the corrosion of mild steel test specimen immersed in 0.5 M HCl and H2SO4acids respectively at the ambient temperature of 30°C and elevated temperature of 80°C was investigated. The experimental work was performed by the use of weight loss method and the potential measurement technique. From the weight loss values, corrosion rates were determined by calculation. In the results obtained, the leaf extract, in sulphuric acid medium, gave its best corrosion inhibition performance at 0.50 g/l extract concentration at 30°C. A more appreciable corrosion inhibition performance was achieved in the dilute hydrochloric acid at 0.25 g/l extract concentration and also at 30°C.

【 授权许可】

CC BY