IOCAS-IR
Corrosion Inhibition of Carbon Steel by 1-Phenyl-3-Amino-5-Pyrazolone in H2SO4 Solution
Zhang, Yan1; Cheng, Yongfeng1; Ma, Fubin2; Cao, Kun3
2019
Source PublicationINTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
ISSN1452-3981
Volume14Issue:1Pages:999-1008
Corresponding AuthorCao, Kun(kevin_cao0811@126.com)
AbstractCorrosion inhibition efficiency of 1-phenyl-3-amino-5-pyrazolone (PAP) on mild steel in 0.5 mol/L sulfuric acid (H2SO4) solution was investigated by weight loss measurements, potentiodynamic polarization technique, electrochemical impedance spectroscopy (EIS). Measurement of the weight loss shows an inhibition efficiency of about 58.9% in the presence of 0.05 mmol/L PAP, which increases to about 93% at a PAP concentration of 1 mmol/L. Potentiodynamic polarization measurements and EIS reveal that PAP is an excellent corrosion inhibitor of mild steel in 0.5 mol/L H2SO4 solution with an efficiency higher than 98% at 1 mmol/L at 298 K. The inhibitor adsorption on the steel surface follows the Langmuir adsorption isotherm.
KeywordPyrazolone mild steel electrochemical impedance spectroscopy corrosion inhibitor
DOI10.20964/2019.01.69
Indexed BySCI
Language英语
Funding ProjectScience and Technology Project of State Grid Corporation of China[GCB17201600152] ; National Nature Science Foundation of China[51708541] ; Key Founding of Sichuan Province Education Department[17ZA0220] ; Doctor Founding of Neijiang Normal University[15B13] ; Opening Foundation of Key Laboratory of Fruit Waste Treatment and Resource Recycling of the Sichuan Province College[KF17004]
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
WOS IDWOS:000455046500079
PublisherESG
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/160627
Collection中国科学院海洋研究所
Corresponding AuthorCao, Kun
Affiliation1.China Elect Power Res Inst, Beijing 100192, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Qingdao 266000, Peoples R China
3.Neijiang Normal Univ, Dept Chem & Chem Engn, Neijiang 641112, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Yan,Cheng, Yongfeng,Ma, Fubin,et al. Corrosion Inhibition of Carbon Steel by 1-Phenyl-3-Amino-5-Pyrazolone in H2SO4 Solution[J]. INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,2019,14(1):999-1008.
APA Zhang, Yan,Cheng, Yongfeng,Ma, Fubin,&Cao, Kun.(2019).Corrosion Inhibition of Carbon Steel by 1-Phenyl-3-Amino-5-Pyrazolone in H2SO4 Solution.INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE,14(1),999-1008.
MLA Zhang, Yan,et al."Corrosion Inhibition of Carbon Steel by 1-Phenyl-3-Amino-5-Pyrazolone in H2SO4 Solution".INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 14.1(2019):999-1008.
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