Bark Extract of Lantana camara in 1M HCl as Green Corrosion Inhibitor for Mild Steel

被引：15

作者：

Shrestha, Prem Raj ^{[1
]}

Oli, Hari Bhakta ^{[2
]}

Thapa, Bishal ^{[1
]}

Chaudhary, Yogesh ^{[3
]}

Gupta, Dipak K. ^{[1
,3
]}

Das, Anju Kumari ^{[2
,3
]}

Nakarmi, Krishna Badan ^{[3
,4
]}

Singh, Sanjay ^{[2
,3
]}

Karki, Nabin ^{[3
,5
]}

Yadav, Amar Prasad ^{[3
]}

机构：

[1] Tribhuvan Univ, Trichandra Multiple Campus, Kathmandu, Nepal

[2] Tribhuvan Univ, Amrit Campus, Kathmandu, Nepal

[3] Tribhuvan Univ, Cent Dept Chem, Kathmandu, Nepal

[4] Tribhuvan Univ, Patan Multiple Campus, Laliltpur, Nepal

[5] Tribhuvan Univ, Bhaktapur Multiple Campus, Bhaktapur, Nepal

来源：

ENGINEERING JOURNAL-THAILAND | 2019年 / 23卷 / 04期

关键词：

Green inhibitor; inhibition efficiency; Lantana camara; mild steel; potentiodynamic polarization; STAINLESS-STEEL; ESSENTIAL OIL; H2SO4; JUICE;

D O I：

10.4186/ej.2019.23.4.205

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Lantana camara, an invasive species that adversely affects habitant, bioregions and environment has been studied as corrosion inhibitor. Methanolic extract of barks of Lantana camara in 1M hydrochloric acid was tested as corrosion inhibitor on mild steel using potentiodynamic polarization technique. The corrosion inhibition efficiency of extract varied with concentration of extract and immersion of time. The inhibition was found to increase with increase in concentration of the extract. The polarization behavior of mild steel revealed that maximum inhibition efficiency is 97.33 % and 89.93 % respectively in the 1000 and 200 ppm concentration of the inhibitor respectively. The results showed that the extract of the barks of Lantana camara served as a mixed type inhibitor.

引用

页码：205 / 211

页数：7

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