Corrosion Inhibition of Q235 Steel in H<sub>2</sub>SO<sub>4</sub> Solution by N,N- Diethylammonium O,O'-di(4-bromophenyl) dithiophosphate

Chuan Lai; Xiulan Su; Ting Jiang; Lvshan Zhou; Bin Xie; Yulong Li; Like Zou

首页> 外文期刊>International Journal of Electrochemical Science >Corrosion Inhibition of Q235 Steel in H₂SO₄ Solution by N,N- Diethylammonium O,O'-di(4-bromophenyl) dithiophosphate

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Corrosion Inhibition of Q235 Steel in H₂SO₄ Solution by N,N- Diethylammonium O,O'-di(4-bromophenyl) dithiophosphate

机译：N，N-二乙铵O，O'-二（4-溴苯基）二硫代磷酸酯对Q235钢在H _{2 SO _{4 溶液中的腐蚀抑制作用}}

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In sulfuric acid solution, the corrosion inhibition of synthesized compound of N,N-DiethylammoniumO,O'-di(4-bromophenyl)dithiophosphate (Br-NOP) was investigated by electrochemical impedancespectroscopy, potentiodynamic polarization measurement, weight loss measurement and scanningelectron microscopy. The results indicate that the Br-NOP is a mixed type inhibitor. The inhibitionefficiency increases with Br-NOP concentration increasing, decreases with temperature and H2SO4concentration increasing.The adsorption of Br-NOP on Q235 steel surface in H2SO4 solution belongsto chemical adsorption, and obeys Langmuir isotherm model. Br-NOP can act as an effective long- acting corrosion inhibitor, and the obtained maximum inhibition efficiency can reach up to 98.53% forQ235 steel in H2SO4.

机译：在硫酸溶液中，通过电化学阻抗谱，电势极化测量，失重测量和扫描电子显微镜研究了N，N-二乙基铵O，O'-二（4-溴苯基）二硫代磷酸酯（Br-NOP）的合成物的缓蚀性能。结果表明，Br-NOP是混合型抑制剂。抑制效率随Br-NOP浓度的增加而增加，随温度和H2SO4浓度的增加而降低。Br-NOP在Q235钢表面H2SO4溶液中的吸附属于化学吸附，服从Langmuir等温线模型。 Br-NOP可以作为一种有效的长效缓蚀剂，对于H2SO4中的Q235钢，获得的最大缓蚀效率可以达到98.53％。

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《International Journal of Electrochemical Science》 |2016年第11期|共11页
作者
Chuan Lai; Xiulan Su; Ting Jiang; Lvshan Zhou; Bin Xie; Yulong Li; Like Zou;
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1. Corrigendum to "A Study of N,N-Diethylammonium 0,0'-Di(p-methoxyphenyl)dithiophosphate as New Corrosion Inhibitor for Carbon Steel in Hydrochloric Acid Solution" [J] . Chuan Lai, Bin Xie, Changlu Liu, International journal of corrosion . 2017,第期

机译：“ N，N-二乙基铵0,0'-二（对甲氧基苯基）二硫代磷酸酯作为碳钢在盐酸溶液中的新型缓蚀剂的研究”更正
2. A Study of N,N-Diethylammonium O,O'-Di(p-methoxyphenyl)dithiophosphate as New Corrosion Inhibitor for Carbon Steel in Hydrochloric Acid Solution [J] . Chuan Lai, Bin Xie, Changlu Liu, International journal of corrosion . 2016,第期

机译：N，N-二乙铵O，O'-二（对甲氧基苯基）二硫代磷酸酯在盐酸溶液中作为碳钢新型缓蚀剂的研究
3. Crystal Structure, Surface Activity and Corrosion Inhibition Effect of Dihydroxyethyl Ammonium O,O'-di(4-methylpheny) dithiophosphate for Q235 Steel in 1.0 M H₂SO₄ [J] . Chuan Lai, Jing Cao, Yuan-fang Deng, International Journal of Electrochemical Science . 2019,第11期

机译：O，O'-二（4-甲基苯基）二硫代磷酸二羟乙基铵在1.0 M H _{2 SO _{4 中对Q235钢的晶体结构，表面活性和缓蚀作用}}
4. Corrosion Inhibition of N,N- diethylammonium O,O'- di (p-chlorophenyl) dithiophosphate for Carbon Steel in HCl Solution [C] . Shulan Cai, Kangquan Qiao, Famei Feng International Conference on Chemical Engineering and Advanced Materials . 2013

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6. The Corrosion Features of Q235B Steel under Immersion Test and Electrochemical Measurements in Desulfurization Solution [O] . Peng Gong, Guangxu Zhang, Jian Chen 2020

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7. Corrosion Inhibition of N,N- diethylammonium O,O′- di (p-chlorophenyl) dithiophosphate for Carbon Steel in HCl Solution [O] . Shulan Cai, Kangquan Qiao, Famei Feng 2016

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机译：“弱酸溶液中腐蚀和腐蚀抑制机理对定量局部细胞极化曲线的测定”

Corrosion Inhibition of Q235 Steel in H2SO4 Solution by N,N- Diethylammonium O,O'-di(4-bromophenyl) dithiophosphate

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Corrosion Inhibition of Q235 Steel in H₂SO₄ Solution by N,N- Diethylammonium O,O'-di(4-bromophenyl) dithiophosphate