Abstract
Iron is widely used as construction material in industries, but iron will be easily corrosion when used in a corrosive medium.To overcome this problem, corrosion inhibitors are used.This study aims to use Awak Banana (Musa paradisiacal var. Awak) peel as iron corrosion inhibitor in 3% NaCl medium. In this experiment, the unripe Awak Banana peel acts as a corrosion inhibitor. The use of Awak banana peel as iron corrosion inhibition is varied in powder of banana peel, crude extract of banana peel, and tannin of banana peel. The results obtained that tannin of Awak banana peel, extract of Awak banana peel and Awak banana peel powder could be used as iron corrosion inhibition in NaCl Medium. After 12 days the iron is immersed in NaCl medium, the lowest corrosion rate is obtained by applying a tannin of Awak banana peel inhibitor, where the corrosion rate is 0.964 mpy. The highest inhibition efficiency amount of 67.9 % is also obtained by using tannin of Awak banana peel as inhibitor.
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