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Investigation on Two Compounds of O, O’-dithiophosphate Derivatives as Corrosion Inhibitors for Q235 Steel in Hydrochloric Acid Solution Cover

Investigation on Two Compounds of O, O’-dithiophosphate Derivatives as Corrosion Inhibitors for Q235 Steel in Hydrochloric Acid Solution

Open Chemistry
Volume 16 (2018): Issue 1 (January 2018)
By: Chuan Lai,  Xiaogang Guo,  Jian Wei,  Bin Xie,  Like Zou,  Xiaolong Li,  Zongxin Chen and  Changmao Wang  
Open Access
|Sep 2018

Figures & Tables

Figure 1

Infrared spectra of Inhi-Ph and Inhi-BrPh.
Infrared spectra of Inhi-Ph and Inhi-BrPh.

Figure 7

Langmuir adsorption isotherm for Inhi-Ph and Inhi-BrPh on Q235 steel in 1.0 M HCl at 30°C.
Langmuir adsorption isotherm for Inhi-Ph and Inhi-BrPh on Q235 steel in 1.0 M HCl at 30°C.

The electrochemical parameters of impedance and the corresponding inhibition efficiency of Q235 steel in 1_0 M HCl with various concentration of Inhi-Ph and Inhi-BrPh at 30°C_

InhibitorC (mg L-1)Rct (Ω cm2)Cdl (μF cm-2)ηE (%)
Blank solution025.4478.36–
Inhi-Ph2086.5320.4370.60
4092.8919.4872.61
60139.710.1481.79
Inhi-BrPh2057.7560.0255.95
4076.0238.5966.54
6096.7725.3773.71
DOI: https://doi.org/10.1515/chem-2018-0105 | Journal eISSN: 2391-5420
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Language: English
Page range: 904 - 904
Submitted on: Jul 24, 2018
Accepted on: Aug 17, 2018
Published on: Sep 26, 2018
Published by: Sciendo
In partnership with: Paradigm Publishing Services
Related subjects:
Chemistry,
Inorganic chemistry,
Chemistry,
Organic chemistry,
Chemistry,
Chemistry, other

© 2018 Chuan Lai, Xiaogang Guo, Jian Wei, Bin Xie, Like Zou, Xiaolong Li, Zongxin Chen, Changmao Wang, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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