Effect of aging time on corrosion inhibition of cationic surfactant on mild steel in sulfamic acid cleaning solution

M. Motamedi; A. R. Tehrani-Bagha; M. Mahdavian

doi:10.1016/j.corsci.2013.01.007

Effect of aging time on corrosion inhibition of cationic surfactant on mild steel in sulfamic acid cleaning solution

M. Motamedi, A. R. Tehrani-Bagha, M. Mahdavian^*

^*Corresponding author for this work

Not published at Aalto University

Research output: Contribution to journal › Article › Scientific › peer-review

58 Citations (Scopus)

Abstract

The stability of the 1. M sulfamic acid solutions containing a gemini cationic surfactant (12-4-12) or its monomeric counterpart (DTAB) during 23. days of storage were studied by electrochemical impedance spectroscopy (EIS), X-ray diffraction (XRD) and surface tension measurements. The EIS studies indicated that in comparison to DTAB solution, 12-4-12 solution considerably retained the corrosion inhibition during the storage period. The surface tension of DTAB solution was increased around 10. mN/m during storage while the surface tension of 12-4-12 solution was almost unchanged. The higher stability of 12-4-12 acidic solution than that of DTAB was also depicted by XRD results.

Original language	English
Pages (from-to)	46-54
Number of pages	9
Journal	Corrosion Science
Volume	70
DOIs	https://doi.org/10.1016/j.corsci.2013.01.007
Publication status	Published - 1 May 2013
MoE publication type	A1 Journal article-refereed

Keywords

A. Mild steel
B. EIS
B. XRD
C. Acid inhibition

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10.1016/j.corsci.2013.01.007

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title = "Effect of aging time on corrosion inhibition of cationic surfactant on mild steel in sulfamic acid cleaning solution",

abstract = "The stability of the 1. M sulfamic acid solutions containing a gemini cationic surfactant (12-4-12) or its monomeric counterpart (DTAB) during 23. days of storage were studied by electrochemical impedance spectroscopy (EIS), X-ray diffraction (XRD) and surface tension measurements. The EIS studies indicated that in comparison to DTAB solution, 12-4-12 solution considerably retained the corrosion inhibition during the storage period. The surface tension of DTAB solution was increased around 10. mN/m during storage while the surface tension of 12-4-12 solution was almost unchanged. The higher stability of 12-4-12 acidic solution than that of DTAB was also depicted by XRD results.",

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AU - Motamedi, M.

AU - Tehrani-Bagha, A. R.

AU - Mahdavian, M.

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Y1 - 2013/5/1

N2 - The stability of the 1. M sulfamic acid solutions containing a gemini cationic surfactant (12-4-12) or its monomeric counterpart (DTAB) during 23. days of storage were studied by electrochemical impedance spectroscopy (EIS), X-ray diffraction (XRD) and surface tension measurements. The EIS studies indicated that in comparison to DTAB solution, 12-4-12 solution considerably retained the corrosion inhibition during the storage period. The surface tension of DTAB solution was increased around 10. mN/m during storage while the surface tension of 12-4-12 solution was almost unchanged. The higher stability of 12-4-12 acidic solution than that of DTAB was also depicted by XRD results.

AB - The stability of the 1. M sulfamic acid solutions containing a gemini cationic surfactant (12-4-12) or its monomeric counterpart (DTAB) during 23. days of storage were studied by electrochemical impedance spectroscopy (EIS), X-ray diffraction (XRD) and surface tension measurements. The EIS studies indicated that in comparison to DTAB solution, 12-4-12 solution considerably retained the corrosion inhibition during the storage period. The surface tension of DTAB solution was increased around 10. mN/m during storage while the surface tension of 12-4-12 solution was almost unchanged. The higher stability of 12-4-12 acidic solution than that of DTAB was also depicted by XRD results.

KW - A. Mild steel

KW - B. EIS

KW - B. XRD

KW - C. Acid inhibition

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