Allium Sativum (Garlic) Extract as Nontoxic Corrosion Inhibitor

被引：20
|
作者：
Rajam, K. [1 ]
Rajesndran, S. [2 ,3 ,4 ]
Saranya, R. [5 ]
机构：
[1] KLN Coll Informat Technol, Dept Chem, Pottapalyam 630611, India
[2] GTN Arts Coll, PG, Dindigul 624005, India
[3] GTN Arts Coll, Res Dept Chem, Dindigul 624005, India
[4] RVS Sch Engn & Technol, Dindigul 624005, India
[5] Jayalakshmi Inst Technol, Dept Chem, Thoppur 636352, Tamil Nadu, India
来源：
JOURNAL OF CHEMISTRY | 2013年 / 2013卷
关键词：
MILD-STEEL; AQUEOUS EXTRACT; PLANT-EXTRACTS;
D O I：
10.1155/2013/743807
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The inhibition efficiency (IE) of an aqueous extract of garlic in controlling corrosion of carbon steel in well water in the absence and presence of Zn2+ has been evaluated by mass-loss method. The formulation consisting of 2 mL of garlic extract and 25 ppm Zn2+ offers 70% inhibition efficiency to carbon steel immersed in well water. Polarization study reveals that this formulation controls the anodic reaction predominantly. FTIR spectra reveal that the protective film consists of Fe2+-allicin complex and Zn(OH)(2).
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页数：4
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