Sodium diethyldithiocarbamate as a corrosion inhibitor of cold rolled steel in 0.5M hydrochloric acid solution

Li, Lei; Qu, Qing; Bai, Wei; Yang, Fa-Chang; Chen, Yajun; Zhang, Shiwen; Zhang, Ding

doi:10.1016/j.corsci.2012.03.008

Cited by 60 publications

(18 citation statements)

References 49 publications

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“…This is attributed to the adsorption of more inhibitor molecules on the (MS) surface, which help to block the active sites exposed to the corrosion attack. 42,43 It is worth mentioning that further increase in the inhibitor concentration shows minor change in the percentage of inhibition, which is due to the fact that at 250 ppm a saturated lm was formed above the (MS) surface.…”

Section: Weight Loss Measurementsmentioning

confidence: 99%

Adsorption characteristics and inhibition effect of two Schiff base compounds on corrosion of mild steel in 0.5 M HCl solution: experimental, DFT studies, and Monte Carlo simulation

et al. 2019

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Section: Weight Loss Measurementsmentioning

confidence: 99%

Adsorption characteristics and inhibition effect of two Schiff base compounds on corrosion of mild steel in 0.5 M HCl solution: experimental, DFT studies, and Monte Carlo simulation

et al. 2019

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“…Additionally, in the literature, the lower activation energy value of dissolution process in the presence of additive molecules (rather than the absence of additive molecules) also was attributed to its chemisorption, while it was found to be opposite in the case with physical adsorption (Omar and Mokhtar, 2011;Avci, 2008). In our case, the values of Ea were lower than that of free solution in the presence of Vitamin C, indicating that the chemisorption tendency is predominant in the presence of Vitamin C (Li et al, 2012). These results will be confirmed by the pre-exponential factor in the Arrhenius equation (A), for heterogeneous reaction is related to the number of active centers where the adsorbed additive molecules block an essential part of the active site, that is, those with the lowest Ea value, on the metal surface.…”

Section: Activated Parameters For the Dissolution Processmentioning

confidence: 43%

A study of the morphology and optical properties of electro polished steel in the presence of Vitamin-C

Abouzeid¹

2015

Afr. J. Pure Appl. Chem.

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The studies of steel electrochemical polishing Electropolishing (EP) in orthophoshoric acid were performed by potentiodynamic polarization. Electropolishing was conducted in solution containing Vitamin C. Addition of Vitamin C to electropolishing solution results in a lower limiting current. Vitamin C concentration influence on electropolishing process and surface texture (AFM, SEM) and UV-VIS-NIR Spectroscopy was established. The results show that by increasing Vitamin C concentration from 2 × 10 -5 to 5 × 10 -5 M, roughness and reflectance of steel specimens decrease/increase respectively. The opposite trend is seen when the concentration increases to 10 × 10 -5 M. The roughness of steel specimen before electropolishing is 236.7 nm and it will decrease to 140 nm by electropolishing in the presence of 5 × 10 -5 M Vitamin C. A similar trend is also seen in reflection. The SEM study confirms that low and moderate concentration of Vitamin C was effective to enhance levelling and brightness more than higher concentrations.

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“…In industry, various methods are used to protect steels against corrosion. The most excellent and convenient method of steel protection is use of inhibitor compounds in corrosive media [3][4][5][6] . To control, reduce, and prevent interactions between metal surface and corrosive environment, these compounds are added in corrosive environment [7][8][9][10][11][12][13][14] .…”

Section: Introductionmentioning

confidence: 99%

The Synergistic Effect of NaHSO4 and NaCl Salts on Corrosion Inhibition Performance of Two Gemini Cationic Surfactant Ionic Liquids

Kowsari

Payami

Ardakani

et al. 2020

Advanced Materials Science and Technology

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In this study, two imidazolium-based ionic liquid surfactants (TSIL and EFAIL) were first synthesized, and then investigated the synergistic effects of NaHSO4 and NaCl salts on corrosion inhibition performance of TSIL and EFAIL inhibitors on low carbon steel samples in 1 M HCl solution. For this aim, the electrochemical techniques of potentiodynamic polarization and electrochemical impedance spectroscopy (EIS), surface morphology analyses, and quantum chemical calculations were employed. Results showed that adding salts to acidic solutions containing EFAIL and TSIL increased their inhibition efficiency. Furthermore, addition of NaHSO4 to TSIL-containing solution could further increase the inhibition efficiency compared to other mixtures of the salts and the inhibitors. The DFT results also revealed that the energy gap of TSIL is lower than that of EFAIL, implying that TSIL has more chemical reactivity and less kinetic stability than EFAIL.

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Sodium diethyldithiocarbamate as a corrosion inhibitor of cold rolled steel in 0.5M hydrochloric acid solution

Cited by 60 publications

References 49 publications

Adsorption characteristics and inhibition effect of two Schiff base compounds on corrosion of mild steel in 0.5 M HCl solution: experimental, DFT studies, and Monte Carlo simulation

Adsorption characteristics and inhibition effect of two Schiff base compounds on corrosion of mild steel in 0.5 M HCl solution: experimental, DFT studies, and Monte Carlo simulation

A study of the morphology and optical properties of electro polished steel in the presence of Vitamin-C

The Synergistic Effect of NaHSO4 and NaCl Salts on Corrosion Inhibition Performance of Two Gemini Cationic Surfactant Ionic Liquids

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