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The synergistic effect of Na3PO4 and benzotriazole on the inhibition of copper corrosion in tetra-n-butylammonium bromide aerated aqueous solution
Liu, S.1; Dong, J.1; Guan, W. W.1; Duan, J. M.1; Jiang, R. Y.1; Feng, Z. P.2; Song, W. J.2
2012-11-01
Source PublicationMATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
Volume63Issue:11Pages:1017-1025
Abstract

The effect of Na3PO4 and the mixture of benzotriazole (BTA) and Na3PO4 (SP) on the corrosion of copper in 17?wt% (0.534?mol/L) tetra-n-butylammonium bromide (TBAB) aerated aqueous solution has been investigated by means of weight-loss test, potentiodynamic polarization test, electrochemical impedance spectroscopy (EIS), and scanning electron microscopy/energy dispersive X-ray techniques. The experimental results showed that a dosage of Na3PO4 stimulated the copper corrosion, and the corrosion rate increased with increasing Na3PO4 concentration, whereas the mixture of BTA and Na3PO4 could protect copper in aqueous TBAB solution. The inhibition action of the mixture of BTA and Na3PO4 on the corrosion of copper is mainly due to the inhibition of the anodic process of corrosion. The inhibition efficiency of a mixture consisting of 2?g/L BTA and 1?g/L Na3PO4 was about 96%. The mixture of BTA and Na3PO4 inhibits the corrosion of copper better than BTA by itself, indicating that Na3PO4 has a synergistic role with BTA on the corrosion inhibition of copper in TBAB aqueous solution.

SubtypeArticle
KeywordBenzotriazole Copper Inhibition Sodium Phosphate Tetra-n-butylammonium Bromide
WOS HeadingsScience & Technology ; Technology
DOI10.1002/maco.201106346
WOS Subject ExtendedMaterials Science ; Metallurgy & Metallurgical Engineering
WOS KeywordHYDROCHLORIC-ACID SOLUTION ; PHOSPHATE INHIBITION ; CHLORIDE SOLUTION ; ARCHAEOLOGICAL BRONZE ; RAMAN-SPECTROSCOPY ; HYDRATE CRYSTALS ; BEHAVIOR ; MEDIA ; FILMS ; SURFACES
Indexed BySCI
Language英语
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000311112000010
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Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10160
Collection中国科学院广州能源研究所
Affiliation1.S China Univ Technol, Dept Appl Chem, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Liu, S.,Dong, J.,Guan, W. W.,et al. The synergistic effect of Na3PO4 and benzotriazole on the inhibition of copper corrosion in tetra-n-butylammonium bromide aerated aqueous solution[J]. MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,2012,63(11):1017-1025.
APA Liu, S..,Dong, J..,Guan, W. W..,Duan, J. M..,Jiang, R. Y..,...&Song, W. J..(2012).The synergistic effect of Na3PO4 and benzotriazole on the inhibition of copper corrosion in tetra-n-butylammonium bromide aerated aqueous solution.MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,63(11),1017-1025.
MLA Liu, S.,et al."The synergistic effect of Na3PO4 and benzotriazole on the inhibition of copper corrosion in tetra-n-butylammonium bromide aerated aqueous solution".MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION 63.11(2012):1017-1025.
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