Journal articles on the topic 'Corrosion inhibition ; 2-mercaptobenzimidazole ; carbon steel'

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1

Morales-Gil, P., M. S. Walczak, C. Ruiz Camargo, R. A. Cottis, J. M. Romero, and R. Lindsay. "Corrosion inhibition of carbon-steel with 2-mercaptobenzimidazole in hydrochloric acid." Corrosion Science 101 (December 2015): 47–55. http://dx.doi.org/10.1016/j.corsci.2015.08.032.

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2

Li, Wei, James Landon, Dali Qian, and Kunlei Liu. "A Laboratory Corrosion Inhibition Study of Carbon Steel Using 2-Mercaptobenzothiazole (MBT) Under Post-Combustion CO2 Capture Conditions." Corrosion 77, no. 6 (2021): 646–54. http://dx.doi.org/10.5006/3663.

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Corrosion mitigation is an important aspect of amine-based post-combustion carbon dioxide (CO2) capture operations due to the desire to use less expensive but corrosion-vulnerable materials such as low carbon steels in the construction of a capture system. In this study, the corrosion behavior of A106 (grade B) carbon steel with an in-house proprietary amine-based solvent was investigated in a laboratory environment at 80°C using an organic corrosion inhibitor, 2-mercaptobenzothiazole (MBT). The corrosion inhibition mechanism was interpreted by electrochemical methods and surface analyses. The
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3

Xiang, Zhen, Xue Yang, Bin Xie, Li Ke Zou, Yang Guang Xiang, and Chuan Lai. "Inhibition of [NH2Et2][(4-MeC6H4O)2PS2] for Carbon Steel in Hydrochloric Acid Solution." Advanced Materials Research 239-242 (May 2011): 716–19. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.716.

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The inhibition effect of N,N-diethylammonium O,O'-di(4-Methylpheny)dithiophosphate (NOPP, [NH2Et2][(4-MeC6H4O)2PS2])against the corrosion of carbon steel in HCl solution was studied by weight loss measurements, electrochemical measurements, AFM and SEM techniques. The studies of weight loss measurements indicate that the NOPP acts as a good inhibitor for the corrosion of carbon steel in HCl solution. Polarization curves indicate NOPP is a mixed-type inhibitor. The adsorption of NOPP on carbon steel surface obeys the Langmuir isotherm, and the obtained standard free energy of adsorption suggest
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4

Bouhrira, K., F. Ouahiba, D. Zerouali, B. Hammouti, M. Zertoubi, and N. Benchat. "The Inhibitive Effect of 2-Phenyl-3-nitroso-imidazo [1, 2-a]pyridine on the Corrosion of Steel in 0.5 M HCl Acid Solution." E-Journal of Chemistry 7, s1 (2010): S35—S42. http://dx.doi.org/10.1155/2010/525606.

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The effect of 2-phenyl-3-nitroso-imidazo[1,2-a]pyridine (PNIP) on the corrosion inhibition of carbon-steel in 0.5 M HCl was studied by weight loss and different electrochemical techniques such as electrochemical impedance spectroscopy (EIS), potentiodynamic polarization. The obtained results showed that PNIP effectively reduces the corrosion rate of carbon steel. Inhibition efficiency (E%) increases with inhibitor concentration to attain 88% at 10-3M. Adsorption of that PNIP on the carbon steel surface in 0.5 M HCl follows the Langmuir isotherm model. E% values obtained from various methods us
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5

Damej, M., S. Kaya, B. EL Ibrahimi, et al. "The corrosion inhibition and adsorption behavior of mercaptobenzimidazole and bis-mercaptobenzimidazole on carbon steel in 1.0 M HCl: Experimental and computational insights." Surfaces and Interfaces 24 (June 2021): 101095. http://dx.doi.org/10.1016/j.surfin.2021.101095.

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6

Deyab, M. A., A. S. Fouda, and S. Abdel-Fattah. "New Heterocyclic Derivative to Stop Carbon Steel Corrosion." Zeitschrift für Physikalische Chemie 234, no. 1 (2020): 63–73. http://dx.doi.org/10.1515/zpch-2019-1399.

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AbstractThe new compound 4-(2-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)hydrazono)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole-1-carbothioamide (PY) was synthesized. Its anti-corrosion properties for C-steel in acid solution (1.0 M HCl) were evaluated utilize electrochemical tools. The synthesized compound was described using FT-IR and 1H-NMR analyses. The purity of PY was affirmed by thin-layer chromatography (TLC). The outcome data proved that PY possess adequate anti-corrosion features for C-steel in corrosive solution. The polarization parameters mentioned that the PY is a mixed
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7

ESSA, Wafa K., Najlaa K. ISSA, Walaa H. ABDULQADER, and Ibtesam M. KAMAL. "THE USE OF ECO-FRIENDLY WILD ONION EXTRACT (URGINEA MARITIMA) AS CORROSION INHIBITOR FOR CARBON STEEL IN HYDROCHLORIC ACID." Periódico Tchê Química 17, no. 35 (2020): 367–80. http://dx.doi.org/10.52571/ptq.v17.n35.2020.33_essa_pgs_367_380.pdf.

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Even though various synthetic compounds have a well action as anticorrosive, they are not cheap and are toxic to both environment and humans. Nevertheless, in C-steel, there is a vital concern, which is serious corrosion issues happen through exposure to environments of aggressive acidity i.e., descaling, oil well solutions of acidity, and pickling. Hence, this study aimed to evaluate the inhibition effect of wild onion (WO) extract as an eco-friendly inhibitor on the behavior of corrosion for C-steel in 0.5 M HCl through the conventional weight loss approach. Various concentrations (0%, 0.5%,
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8

Journal, Baghdad Science. "Corrosion Behavior of Copper and Carbon Steel in Acidic Media." Baghdad Science Journal 11, no. 4 (2014): 1577–82. http://dx.doi.org/10.21123/bsj.11.4.1577-1582.

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The corrosion behavior of copper and carbon steel in 1M concentration of hydrochloric acid (HCl) and sulphuric acid (H2SO4) has been studied. The corrosion inhibition of copper and carbon steel in 1M concentration of hydrochloric acid (HCl) and sulphuric acid (H2SO4) by Ciprofloxacin has been investigated. Specimens were exposed in the acidic media for 7 hours and corrosion rates evaluated by using the weight loss method. The effect of temperature (from 283 ºK to 333 ºK), pH (from 1to 6), inhibitor concentration (10-4 to 10-2) has been studied. It was observed that sulphuric acid environment w
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9

Huang, Xian Qiu, Jia Shen Zheng, Rui He, Jian Rong Liu, Hui Ping Bai, and Yuan Qiang Tu. "Corrosion and Protection Studies of N80 Steel in CO2 Solution." Advanced Materials Research 299-300 (July 2011): 34–37. http://dx.doi.org/10.4028/www.scientific.net/amr.299-300.34.

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Corrosion inhibitor I9602 was synthesized in the laboratory. Infrared spectrum (IR) and ultraviolet spectrum (UV) in conjunction with nuclear magnetic resonance (NMR) had been performed to characterize its structure. Corrosion behavior of N80 steel and inhibition property of I9602 in pH=2 solution including 3% NaCl with carbon dioxide saturated were studied. The results showed that, the corrosion of N80 steel in this solution was quite serious, its corrosion rate was 43.02mm/a. The inhibitor synthesized I9602 was mainly composed of amide and imidazoline. When its concentration in above solutio
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10

V., Rajesh, E. U. B. Reddi, T. Byragi Reddy, Ch Durga Prasad, and B. Prasanna Kumar. "AERVA LANATA LEAF EXTRACT AS A CORROSION INHIBITOR FOR CARBON STEEL IN CHLORIDE ENVIRONMENT." International Journal of Research -GRANTHAALAYAH 6, no. 11 (2018): 153–62. http://dx.doi.org/10.29121/granthaalayah.v6.i11.2018.1084.

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The present study was initiated with an objective of investigating a plant extract as an effective corrosion inhibitor useful for protection of carbon steel in aqueous environment containing chloride ions. For this purpose, the leaf extract of the plant ‘Aerva lanata’ belonging to Amaranthaceae family of genus Aerva was chosen. The required optimum concentration of the extract for an effective inhibition was found to be 5 %, resulting in the inhibition efficiency of 95 % against corrosion of carbon steel in 200 ppm of NaCl solution. The extract introduced as a corrosion inhibitor was found to
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11

Foratirad, Hamze, Majid Golabadi, Masoud Asgari, Mohammad Ghasem Gholami, and Meysam Karimi. "The synergistic effect of 2-mercaptobenzotiazole and zinc nitrate as corrosion inhibitor on carbon steel in saline solution." International Journal of Materials Research 111, no. 10 (2020): 863–71. http://dx.doi.org/10.1515/ijmr-2020-1111011.

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Abstract In this study, the synergistic effects of 2-mercaptobenzotiazole molecules and zinc nitrate on the corrosion behavior of carbon steel were investigated using electrochemical techniques in 3.5% NaCl solution. The experimental results revealed that combination of 2-mercaptobenzoimidazole (MBT) and zinc nitrate with ratio of 100 ppm : 100 ppm, resulted in the least corrosion current (1.03 lA cm-2) and the highest corrosion inhibition efficiency. Polarization results showed that the inhibition mechanism of inhibitor was mixed-type (anodic and cathodic mechanism) corrosion inhibition which
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12

Farag, Ahmed A., and Emad A. Badr. "Non-ionic surfactant loaded on gel capsules to protect downhole tubes from produced water in acidizing oil wells." Corrosion Reviews 38, no. 2 (2020): 151–64. http://dx.doi.org/10.1515/corrrev-2019-0030.

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AbstractGel capsules of calcium alginate as a matrix stuffed with a non-ionic surfactant, namely 2-(2-(3,4-bis(2-methoxyethoxy)tetrahydrofuran-2-yl)-2-(2-methoxyethoxy)ethoxy)ethyl stearate, Tween-60, as an inhibitor was prepared by a piercing-solidifying method for corrosion protection of carbon steel tubes from produced water in acidizing oil wells. The Fourier transform infrared and thermal gravimetric analysis techniques were used to study the properties of the capsules. The release of the inhibitor from the solid capsules to the corrosive acidizing produced water was studied gradually usi
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13

Liang, Xiao Feng, and Xue Yang. "Corrosion Inhibition of 2-Mercaptobenzothiazole for Carbon Steel in Sulfuric Acid Solution." Advanced Materials Research 557-559 (July 2012): 92–95. http://dx.doi.org/10.4028/www.scientific.net/amr.557-559.92.

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The inhibition effect of 2-Mercaptobenzothiazole (2-MB) against the corrosion of carbon steel in sulfuric acid solution was studied by weight loss measurement and electrochemical measurements(potentiodynamic polarization techniques). The results show that 2-MB acts as a good corrosion inhibitor in sulfuric acid solution. Adsorption of 2-MB is found to obey Langmuir isotherm. Polarization curves indicate 2-MB is a mixed-type inhibitor. The effects of temperature and sulfuric acid concentration were also studied.
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14

Duong, Nguyen Thuy. "CORROSION INHIBITION OF CARBON STEEL BY LDH/GO HYBRID INTERCALATED WITH 2-BENZOTHIAZOLYTHIO-SUCCINIC ACID." Vietnam Journal of Science and Technology 55, no. 5B (2018): 119. http://dx.doi.org/10.15625/2525-2518/55/5b/12217.

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Layered double hydroxide/graphene oxide hybrid (LDH/GO) intercalated with corrosion inhibitor 2-benzothiazolylthio-succinic acid (BTSA) was prepared using co-precipitation method. The synthesized LDH/GO-BTSA was characterized by FTIR, XRD and SEM. The inhibitive action of LDH/GO-BTSA on carbon steel was evaluated and compared with LDH-BTSA by electrochemical measurement. It was shown that the GO and BTSA were intercalated in LDH structure. The obtained results showed that LDH/GO-BTSA is anodic corrosion inhibitors, and the inhibition efficiency was 94 % at concentration of 1 g/l.
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15

Chen, Zhi, Huan Fang Gao, and Yao Qiong Wang. "Ionic Synergistic Inhibition between the Cationic Gemini Surfactant and Anionic Surfactant for Steel Corrosion in 1M Hydrochloric Acid." Advanced Materials Research 396-398 (November 2011): 2406–10. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.2406.

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The inhibitive synergistic effect between a cationic gemini surfactant, 1,2-ethane-bis(dimethyl dodecylammonium bromide) (designed as 12-2-12), and anionic surfactant, sodium dodecyl sulfonate (SDS) for the corrosion inhibition of A3 carbon steel in 1 mol L-1 HCl was investigated by weight loss. The inhibition system composed by 12-2-12 and SDS is efficient. The adsorption mechanism of the 12-2-12 and SDS on steel in acidic medium is discussed on the basis of experimental data and an adsorption model is proposed. Adsorption of inhibitor system on the A3 carbon steel surface in acidic medium ob
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16

Al-Rubaiey, Najem A., Mohammed G. Albrazanjy, Wafaa A. Kadhim, Hassan D. Mohammed, and Mohd Hasbi Ab Rahim. "The Potential of Using Zn0.6Ni0.4Fe2O4 Nanoparticles as Corrosion Inhibitor for Carbon Steel in Oil Environment." Materials Science Forum 1021 (February 2021): 335–43. http://dx.doi.org/10.4028/www.scientific.net/msf.1021.335.

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Corrosion is one of the serious problems in oil and gas industry. So far, many inhibitors have been used to control or reduce corrosion. Nowadays, nano-materials have been employed as inhibitors as well due to their excellent properties such as high surface area, excellent inhibition efficiency, low cost, and minimum toxicity. In the current work, nano-ferrite materials have been used as inhibitors to reduce the corrosion of carbon steel in oil environment (crude oil obtained from Iraqi Majnoon oil field). The anti-corrosion properties of the nickel and zinc ferrite on carbon steel in Iraqi oi
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17

Shaju, K. S., K. Joby Thomas, Vinod P. Raphael, and Aby Paul. "Electrochemical and Surface Morphological Studies of Carbon Steel Corrosion by a Novel Polynuclear Schiff Base in HCl Solution." ISRN Electrochemistry 2013 (December 2, 2013): 1–8. http://dx.doi.org/10.1155/2013/820548.

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The corrosion inhibition efficiency of a potential polynuclear Schiff base, (s)-2-(anthracene-9 (10H)-ylidene amino)-5-guanidinopentanoic acid (A9Y5GPA), on carbon steel (CS) in 1 M hydrochloric acid solution has been investigated using weight loss measurements, electrochemical impedance spectroscopy (EIS), and potentiodynamic polarization studies. The corrosion inhibition efficiencies of parent amine [(s)-2-amino-5-guanidinopentanoic acid] and parent ketone (anthracene-9 (10H)-one) on carbon steel in 1.0 M hydrochloric acid solution have also been investigated using weight loss studies. The e
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18

Nanthini, R., and M. I. Mutalib. "Gravimetric, electrochemical and surface study on the good’s buffer ionic liquid as corrosion inhibitor for carbon steel in acidic medium." Journal of Mechanical Engineering and Sciences 13, no. 1 (2019): 4434–48. http://dx.doi.org/10.15282/jmes.13.1.2019.07.0377.

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This corrosion study assessed the inhibition performance of carbon steel in 1 M of hydrochloric acid (HCl) using Good’s buffer ionic liquids (GBIL) namely 1-Butyl-3-methylimidazolium 2-(N-Morpholino) propane, [BMIM][MOPS] using electrochemical impedance, potentiodynamic polarization, and weight loss (gravimetric) measurements. GBIL are synthesized by the combination of Good's buffer as anion and various organic bases as the cation. The gravimetric measurements exhibit higher reduction in weight for carbon steel exposed to the acidic environment in the absence of corrosion inhibitor (CI) as com
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19

Zhao, Bin, and Li Ke Zou. "Corrosion Inhibition of Chloroacetic-Acid Modified Imidazoline for Q235 Steel in H2SO4 Solution." Advanced Materials Research 710 (June 2013): 41–44. http://dx.doi.org/10.4028/www.scientific.net/amr.710.41.

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A new chloroacetic-acid modified imidazoline (CAMI) was synthesized via the quaternization of imidazoline intermediate, obtained from the amidation and cyclization reactions of benzoic acid and diethylene triamine, with chloroacetic-acid. The performance of the synthesized compound CAMI as corrosion inhibitor for Q235 carbon steel in 5% sulfuric acid solution was investigated by weight loss measurement and potentiodynamic polarization technique. The results show that CAMI possesses strong inhibitive effect on the corrosion of Q235 carbon steel in acid medium and restrains the corrosion without
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20

Yang, Dong, Song Hui Liu, Yu Pei Shao, et al. "Electrochemical and XPS studies of alkyl imidazoline on the corrosion inhibition of carbon steel in citric acid solution." Corrosion Reviews 34, no. 5-6 (2016): 295–304. http://dx.doi.org/10.1515/corrrev-2016-0016.

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AbstractThe corrosion inhibition behavior of an imidazoline derivative, namely, 2-undecyl-N-carboxymethyl-N-hydroxyethyl imidazoline (UHCI) for carbon steel in 4 wt.% citric acid solutions was characterized by weight loss method and electrochemical techniques in conjunction with X-ray photoelectron spectrometer (XPS) technique. The inhibitor has a good anti-corrosion effect on the carbon steel in 4 wt.% citric acid solutions. The inhibition efficiency increases with UHCI concentrations from 0 up to 0.4 wt.%, yet declines a bit at 0.6 wt.% per contra with further augmentation of concentration.
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21

Mu, Miaomiao, Yaqiong Chen, Dong Yang, Aijun Yan, and Qiangqiang Liao. "Synergistic inhibition effect of imidazoline derivative and potassium iodide on carbon steel corrosion in amidosulfuric acid solution." Corrosion Reviews 35, no. 6 (2017): 463–71. http://dx.doi.org/10.1515/corrrev-2017-0035.

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AbstractThe mixture of 2-undecyl-N-carboxymethyl-N-hydroxyethly imidazoline (UHCI) with potassium iodide (KI) as a corrosion inhibitor for carbon steel in 8% amidosulfuric acid solution was investigated by weight loss test and electrochemical methods. Results show that the combined inhibitor strongly inhibits the corrosion of 20# carbon steel in amidosulfuric acid solution, and the mixture with the mass ratio (UHCI:KI) of 9:1 has the best corrosion inhibition at a total concentration of 0.4%. The impedance spectra of carbon steel electrodes change from one time constant into two time constants
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22

Lin, Bing, Junlei Tang, Yingying Wang, Hu Wang, and Yu Zuo. "Study on Synergistic Corrosion Inhibition Effect between Calcium Lignosulfonate (CLS) and Inorganic Inhibitors on Q235 Carbon Steel in Alkaline Environment with Cl−." Molecules 25, no. 18 (2020): 4200. http://dx.doi.org/10.3390/molecules25184200.

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The synergistic corrosion inhibition effect between calcium lignosulfonate (CLS) and three kinds of inorganic inhibitors (Na2MoO4, Na2SnO3, and NaWO4) with various molar ratios on Q235 carbon steel in alkaline solution (pH 11.5) with 0.02 mol/L NaCl was investigated by cyclic potentiodynamic polarization, electrochemical impedance spectroscopy, linear polarization, scanning electron microscopy, and X-ray photoelectron spectroscopy. Molybdate and stannate in hybrid inhibitor could promote the passivation of steel and form a complex film, which could suppress the corrosion effectively. Moreover,
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23

Hajjaji, F. E., M. E. Belghiti, B. Hammouti, et al. "Adsorption and Corrosion Inhibition Effect of 2-Mercaptobenzimidazole (Surfactant) on a Carbon Steel Surface in an Acidic Medium: Experimental and Monte Carlo Simulations." Portugaliae Electrochimica Acta 36, no. 3 (2018): 197–212. http://dx.doi.org/10.4152/pea.201803197.

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24

A. Jawad, Qusay, Dhafer S. Zinad, Rawaa Dawood Salim, et al. "Synthesis, Characterization, and Corrosion Inhibition Potential of Novel Thiosemicarbazone on Mild Steel in Sulfuric Acid Environment." Coatings 9, no. 11 (2019): 729. http://dx.doi.org/10.3390/coatings9110729.

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Corrosion of a material by reaction with a corrosive environment is a common problem across many industries. Iraq is an oil country and corrosion represents a large portion of the total costs for oil producing and a natural potential hazard associated with oil production and transportation. The synthesis of novel thiosemicarbazone, namely 2-(2,4-dimethoxybenzylidene)hydrazinecarbothioamide (DMBHC), was conducted and the chemical structure was elucidated via the 1H and 13C NMR (Nuclear magnetic resonance), and FT-IR (Fourier-transform infrared) spectroscopic spectroscopic techniques in addition
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25

Zunita, Megawati, Deana Wahyuningrum, Buchari, Bunbun Bundjali, I. Gede Wenten, and Ramaraj Boopathy. "Corrosion Inhibition Performances of Imidazole Derivatives-Based New Ionic Liquids on Carbon Steel in Brackish Water." Applied Sciences 10, no. 20 (2020): 7069. http://dx.doi.org/10.3390/app10207069.

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In this study, imidazole derivative-based new ionic liquids were investigated as corrosion inhibitors. These new ionic liquids (ILs) are 1,3-dipropyl-2-(2-propoxyphenyl)-4,5-diphenylimidazole iodide (IL1) and 1,3-dibutyl-2-(2-butoxyphenyl)-4,5-diphenylimidazole iodide (IL2). The corrosion inhibition effects of two new ILs were observed on carbon steel in brackish water media (1% NaCl solution). Carbon steel coupons were exposed to 1% NaCl solution with various concentrations of ILs. Corrosion inhibition effects were tested by the electrochemical impedance spectroscopy (EIS) method and the Tafe
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26

Loto, Roland Tolulope, and Asamaige Ogaga. "Inhibition effect of the synergistic properties of 4-methyl-norvalin and 2-methoxy-4-formylphenol on the electrochemical deterioration of P4 low carbon mold steel." Open Engineering 10, no. 1 (2020): 9–17. http://dx.doi.org/10.1515/eng-2020-0002.

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AbstractStudy of the synergistic inhibition properties of the combined admixture of 4-methyl-norvalin and 2-methoxy-4-formylphenol (non-toxic organic compounds) on the corrosion of P4 low carbon mold steel in 1.5 M H2SO4 and HCl solution was performed with weight loss measurement, potentiodynamic polarization and optical microscopy analysis. Results obtained showed the inhibition efficiency of the admixed compound performed above the value for effective corrosion inhibition at very low concentrations in H2SO4 solution. However, from mid concentration to the highest concentration studied, the i
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Edoziuno, F. O., A. A. Adediran, B. U. Odoni, M. Oki, P. P. Ikubanni, and O. Omodara. "Performance of Methyl-5-Benzoyl-2-Benzimidazole Carbamate (Mebendazole) as Corrosion Inhibitor for Mild Steel in Dilute Sulphuric Acid." Scientific World Journal 2020 (June 24, 2020): 1–11. http://dx.doi.org/10.1155/2020/2756734.

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The inhibitive effect of mebendazole (MBZ) on the corrosion of low-carbon steel in H2SO4 was investigated by gravimetric and electrochemical techniques as well as examination of specimens in the scanning electron microscope with attached energy dispersive X-ray spectrometer (EDS). From gravimetric analysis, the highest inhibition efficiency of about 96.6% was obtained for 1.0 g of inhibitor in H2SO4 solution at 24 h, while with longer exposure times of between 72 to 120 h, the efficiencies averaged between 92 and 95%. Tafel extrapolations from the polarization curves showed that 1.0 g MBZ gave
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Yang, Dao Wu, Yun Yun Zhang, Yue Zhu Yang, Hai Xia Tong, and Yang Sun. "Application of Imidazolinylquaternary-Ammonium-Salt Compound Inhibitor for A20 Steel in Hydrochloric Acid Pickling." Advanced Materials Research 233-235 (May 2011): 2828–31. http://dx.doi.org/10.4028/www.scientific.net/amr.233-235.2828.

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To enhance the water solubility and inhibition efficiency of 2-phenyl-imidazoline, a type of imidazolinylquaternary-ammonium-salt(IMA)was synthesized from 2 - phenyl-imidazoline and benzyl chloride.And then the compound inhibitor was manufactured with IMA, potassium iodide, triethanolamine, polyoxyethylene ether and peregal by weight loss through orthogonal experiment. The effect of the compound inhibitoron on corrosion of A20 carbon steel in hydrochloric acid have been investigated in relation to it’s concentration by various corrosion monitoring techniques. Polarization studies showed depres
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29

Tan, Yitong, Yaqiong Chen, Dong Yang, Xinxin Liu, Xinzhou Li, and Qiangqiang Liao. "Electrochemical and Density Functional Theory Studies of Alkyl Imidazoline on the Corrosion Inhibition of Carbon Steel in Sulfamic Acid Solutions." Science of Advanced Materials 12, no. 6 (2020): 784–94. http://dx.doi.org/10.1166/sam.2020.3730.

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The corrosion inhibition effects of the 2-undecyl-N-carboxymethyl-N-hydroxyethyl imidazoline on simple steels were indagated in 8 wt.% NH2SO3H media using loss of weight and electrochemical methods in conjunction with adsorption and DFT researches. The anti-corrosion effect of UHCI acquired from EIS study is great and the maximum anti-corrosion efficiency could reach 90.15%. The sorption of UHCI on simple steel conforms to the Langmuir sorption equation. The DFT studies reveal that UHCI is firmly chemisorbed upon the simple steel by the Fe…O σ-type dative bonds and isolates the contact between
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30

Makhlouf, Mohamed Th. "The Effect of the Molecular Structure of Cyanine Dye on the Corrosion of Low-Carbon Steel in Hydrochloric Acid Solution." Collection of Czechoslovak Chemical Communications 59, no. 3 (1994): 539–48. http://dx.doi.org/10.1135/cccc19940539.

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The effect of two different cyanine dyes 2-(2-hydroxystyryl)quinolinium-1-ethyl iodide (I) and 4-(2-hydroxystyryl)quinolinium-1-ethyl iodide (II) on the electrochemical corrosion behaviour of low-carbon steel (0.05% C, 0.04% Si, 0.023% S, 0.004% Cu) in HCl solution has been studied. Weight loss measurements, galvanostatic polarization curves, open-circuit potential variation of steel electrode with time and the cathodic protective current values show that the investigated cyanine dyes have an anticorrosive character. The inhibition effect depends mainly on the structure of the studied dye mole
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31

Rajam, K., S. Rajendran, and R. Saranya. "Allium Sativum (Garlic) Extract as Nontoxic Corrosion Inhibitor." Journal of Chemistry 2013 (2013): 1–4. http://dx.doi.org/10.1155/2013/743807.

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The inhibition efficiency (IE) of an aqueous extract of garlic in controlling corrosion of carbon steel in well water in the absence and presence ofZn2+has been evaluated by mass-loss method. The formulation consisting of 2 mL of garlic extract and 25 ppmZn2+offers 70% inhibition efficiency to carbon steel immersed in well water. Polarization study reveals that this formulation controls the anodic reaction predominantly. FTIR spectra reveal that the protective film consists ofFe2+-allicin complex and Zn(OH)2.
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Shen, Zhanhui, Hongqiang Ren, Ke Xu, Jinju Geng, and Lili Ding. "Inhibition effect of phosphorus-based chemicals on corrosion of carbon steel in secondary-treated municipal wastewater." Water Science and Technology 67, no. 11 (2013): 2412–17. http://dx.doi.org/10.2166/wst.2013.094.

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Secondary-treated municipal wastewater (MWW) could supply a viable alternative water resource for cooling water systems. Inorganic salts in the concentrated cooling water pose a great challenge to corrosion control chemicals. In this study, the inhibition effect of 1-hydroxy ethylidene-1,1-diphosphonic acid (HEDP), trimethylene phosphonic acid (ATMP) and 2-phosphonobutane-1,2,4-tricarboxylic acid (PBTCA) on corrosion of carbon steel in secondary-treated MWW was investigated by the means of potentiodynamic polarization and electrochemical impedance spectroscopy. The inhibition effect increased
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HEMAPRIYA, VENKATESAN, ILL-MIN CHUNG, KANDASAMY PARAMESWARI, SUBRAMANIAN CHITRA, SEUNG-HYUN KIM, and MAYAKRISHNAN PRABAKARAN. "CORROSION INHIBITION BEHAVIOR OF BENZOTHIAZINE DERIVATIVE ON LOW CARBON STEEL IN ACID MEDIUM: ADSORPTION AND QUANTUM CHEMICAL INVESTIGATIONS." Surface Review and Letters 26, no. 10 (2019): 1950066. http://dx.doi.org/10.1142/s0218625x19500665.

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The inhibitive performance of 2-[(5-phenyl-1,3,4-oxdiazol-2-yl)methyl]-2H-benzo[b] [1,4] thiazin-3-one (POBT) for low carbon steel corrosion in 1 M H2SO4 has been evaluated by non-electrochrmical, and electrochemical measurements. Efficiency of the inhibitor enhanced with inhibitor concentration and declined with rise in temperature. 92.39% inhibition efficiency was attained using 0.1[Formula: see text]mM of POBT. Anticorrosive effect of the inhibitor is owing to the adsorption of POBT molecules on the metal surface. Mono layer adsorption of inhibitor was favored by observing the best fit with
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34

Abdulhessein, Basheer A., and Alaa Mashjel Ali. "Green Corrosion Inhibitor of Low Carbon Steel in Acidic Media by Pectin Nanoparticles Using Potentiostatic and Weight Losses Method." Materials Science Forum 1021 (February 2021): 241–50. http://dx.doi.org/10.4028/www.scientific.net/msf.1021.241.

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In the present work, corrosion inhibition of low carbon steel in a 1M H2SO4 solution by pectin nanoparticles extract was studied by potentiostatic and weight loss methods. Increasing the acid concentration leads to an increase in the corrosion rate of the electrode. The variable conditions of the pectin nanoparticles used in this investigation are (2 to 10g/l at 25oC). It was found that the concentrates acts as a compelling consumption inhibitor for gentle steel in an acidic medium. The hindrance process is credited to the adsorbed film development of the inhibitor on the metal surface of that
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35

El-Sharaky, Elsayed A., Eman A. Khamis, Olfat E. El-Azabawy, and Aziza S. El-Tabei. "New Star Shape Tetra-Cationic Surfactant Synthesis and Evaluation as Corrosion Inhibitor for Carbon Steel in Different Acidic Media." Zeitschrift für Physikalische Chemie 233, no. 11 (2019): 1571–601. http://dx.doi.org/10.1515/zpch-2018-1243.

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Abstract A new star shape tetra-cationic surfactant was synthesized to evaluate as corrosion inhibitors for carbon steel in different acid media. This surfactant prepared by the reaction of tris(2-(dimethylamino)ethyl) O,O′,O′′-(nitrilotris(ethane-2,1-diyl)) trimaleate with 1-bromododecane and abbreviated as STCS. The chemical structure of the prepared surfactant was confirmed by FT-IR, 13C and 1HNMR and elemental analysis. Their aggregation behavior in watery solution was explored by surface tension measurements. The surface tension of water was decreased nearly to 35 mN m−1 when adding the s
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36

JOHNSON, REEJA, JOBY THOMAS KAKKASSERY, Vinod Raphael Palayoor, Ragi Kooliyat, and Vidhya Thomas Kannanaikkal. "Experimental and Theoretical Investigations on the Corrosion Inhibition action of Thiadiazole Derivatives on Carbon Steel in 1M HCl medium." Oriental Journal Of Chemistry 36, no. 6 (2020): 1179–88. http://dx.doi.org/10.13005/ojc/360624.

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Novel thiadiazole derivatives of Schiff bases namely (E)-N-(anthracen-9-ylmethylene)-5-(4-nitrophenyl)-1,3,4-thiadiazol-2-amine (A9CNPTDA) and N-(anthracen-9(10H)-ylidene)-5-(4-nitrophenyl)-1,3,4-thiadiazol-2-amine (ANNPTDA) were synthesized, characterized and corrosion inhibition behaviour, as well as the mechanism of inhibition were investigated by different monitoring techniques like gravimetric measurements, electrochemical impedance spectroscopy, potentiodynamic polarization, quantum chemical and SEM studies. Both of the thiadiazole derivatives showed excellent corrosion inhibitor action
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37

Kartsonakis, Ioannis A., Panagiota Stamatogianni, Evangelia K. Karaxi, and Costas A. Charitidis. "Comparative Study on the Corrosion Inhibitive Effect of 2-Mecraptobenzothiazole and Na2HPO4 on Industrial Conveying API 5L X42 Pipeline Steel." Applied Sciences 10, no. 1 (2019): 290. http://dx.doi.org/10.3390/app10010290.

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Mild or low-carbon steel has an increasing utilization and is widely used for building construction, machinery parts, and pipelines, because it can be machined easily and has enhanced weldability as well as a low price. In any case, the corrosion resistance of mild steel under the conditions in industrial applications or in atmosphere is a thoughtful concern. This study inquires into the application of 2-mecraptobenzothiazole (MBT) and Na2HPO4 as corrosion inhibitors for the protection of API 5L X42 pipeline steel in 3.5 wt % NaCl as well as in water from the Athens city supply system. The ele
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38

Plotnikova, M. D., A. B. Shein, M. G. Shcherban`, and A. D. Solovyev. "The study of thiadiazole derivatives as potential corrosion inhibitors of low-carbon steel in hydrochloric acid." Bulletin of the Karaganda University. "Chemistry" series 103, no. 3 (2021): 93–102. http://dx.doi.org/10.31489/2021ch3/93-102.

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The inhibition effect of series of thiadiazole derivatives against the corrosion of mild steel in 15 % HCl was studied by weight-loss method and electrochemical measurements. The experiments were performed on steel St3 at 293 K, the exposure time of the samples in solution for weight-loss measurements was 24 h. Potentiodynamic polarization curves were obtained in a typical three electrode cell with the help of electrochemical measuring complex SOLARTRON 1280 C. A scan rate was 1 mV⋅s-1 and a measurement point was taken every 0.2 s. 2-aminothiazole, 5-amino-1,3,4-thiadiazole-2-thiol, 2-amino-1,
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39

Nguyen, Anh Son, Thuy Duong Nguyen, Thu Thuy Thai, and Thi Xuan Hang To. "INVESTIGATION OF CERIUM (III) ACTIVATED-CERIA NANOPARTICLES AS CORROSION INHIBITORS FOR CARBON STEEL." Vietnam Journal of Science and Technology 56, no. 2 (2018): 165. http://dx.doi.org/10.15625/2525-2518/56/2/10977.

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The present work investigated the corrosion protection performance of ions Ce3+ activated-cerium(IV) oxides nanoparticles for carbon steel in a NaCl solution. Ceria nanoparticles were synthesized by homogeneous precipitation in ethanol/water mixed solvent. The obtained CeO2 nanoparticles were characterized by X-ray diffraction (XRD) and transmission electron microscope (TEM). The corrosion inhibition action of the activated nanoparticles by cerium(III) ions on carbon steel in NaCl solution was evaluated by electrochemical measurements (electrochemical impedance spectroscopy (EIS) and potentiod
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40

Lian, Zhouyang, Lirui Yuan, Wuji Wei, Qing Zhou, and Juncheng Jiang. "Controlled release and synergistic effects of polyvinyl alcohol (PVA) on phosphate corrosion inhibitor at the interface of thermal insulation and carbon steel." Anti-Corrosion Methods and Materials 62, no. 2 (2015): 109–15. http://dx.doi.org/10.1108/acmm-10-2013-1312.

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Purpose – This paper aims to study the controlled release and synergistic effect of water-soluble polyvinyl alcohol (PVA) on phosphate corrosion inhibitor at the interface of thermal insulation cotton/carbon steel. Design/methodology/approach – This study was carried out using a coating method, scanning electron microscopy, energy dispersive spectroscopy and AC impedance. Findings – The single-phase phosphate particles were coated/adsorbed on the PVA film, which was formed on the fiber surface of corrosion inhibitor/PVA-impregnated rock wool sample. On the surface of Q235 steel, an effective p
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41

Wu, Ming, Juan Qin Xue, Li Hua Yu, Xiao Na Ma, and Jun Zhu. "Scale and Corrosion Inhibition Efficiency of a Novel Terpolymer." Materials Science Forum 658 (July 2010): 185–88. http://dx.doi.org/10.4028/www.scientific.net/msf.658.185.

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A terpolymer AA-HPA-SVS was synthesized from acrylic acid (AA), 2-hydroxypropyl acrylate (HPA) and sodium vinyl sulfonate (SVS) by following a free radical polymerization procedure. The scale and corrosion inhibition efficiency and dispersion ability of the terpolymer were studied. The results showed that the AA-HPA-SVS terpolymer had good antiscaling properties towards calcium carbonate and calcium phosphate, and good dispersion ability towards ferric oxide. The scale inhibiting efficiency of the terpolymer can reach to 95% and 93% for CaCO3 and Ca3(PO4)2 respectively when the dosage was 20mg
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42

Raphael, Vinod P., Shaju K. Shanmughan, and Joby Thomas Kakkassery. "Monitoring the Interaction of Two Heterocyclic Compounds on Carbon Steel by Electrochemical Polarization, Noise, and Quantum Chemical Studies." International Journal of Corrosion 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/4204532.

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A heterocyclic phenylhydrazone 2-[(E)-(2-phenylhydrazinylidene)methyl]pyridine (P2APH) and its reduced form 2-[(2-phenylhydrazinyl)methyl]pyridine (RP2APH) were synthesized, characterized, and subjected to corrosion inhibition investigation on carbon steel (CS) in 1 M HCl using gravimetric, polarization, electrochemical noise, quantum chemical, and surface studies. P2APH showed more inhibition capacity than RP2PPH. But RP2PPH was very stable in acid medium and showed pronounced corrosion inhibition efficacy for days. Energy of HOMO and LUMO, their difference, number of electrons transferred, e
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43

Majid Kubba, Rehab, Mustafa Alaa Mohammed, and Luma S. Ahamed. "DFT Calculations and Experimental Study to Inhibit Carbon Steel Corrosion in Saline Solution by Quinoline-2-One Derivative." Baghdad Science Journal 18, no. 1 (2021): 0113. http://dx.doi.org/10.21123/bsj.2021.18.1.0113.

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A theoretical and protection study was conducted of the corrosion behavior of carbon steel surface with different concentrations of the derivative (Quinolin-2-one), namly (1-Amino-4,7-dimethyl-6-nitro-1H-quinolin-2-one (ADNQ2O)). Theoretically, Density Functional Theory (DFT) of B3LYP/ 6-311++G (2d, 2p) level was used to calculate the optimized geometry, physical properties and chemical inhibition parameters, with the local reactivity to predict both the reactive centers and to locate the possible sites of nucleophilic and electrophilic attacks, in vacuum, and in two solvents (DMSO and H2O), a
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44

Qiao, Ning, Jun Yu, and Gang Wei. "Preparation and Properties of the Ni3P-TiO2 Coating on Carbon Steel." Advanced Materials Research 97-101 (March 2010): 1450–53. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.1450.

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In order to solve the environment problem caused by the inhibitors that are widely used to improve the corrosion and scaling of the carbon steel pipes and equipment in the transportation of the industrial water, the design of using coatings or films on carbon steel is put forward without adding inhibitor. Based on this design, the Ni3P-TiO2 coatings have been prepared on carbon steel by chemical plating and sol–gel method. The coatings mainly compose of Ni3P and TiO2 analyzed by the XRD patterns. The microstructure and morphology of the Ni3P-TiO2 coatings are full, smooth and no cracks using a
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45

Petrunin, Maxim, Liudmila Maksaeva, Natalia Gladkikh, et al. "Thin Benzotriazole Films for Inhibition of Carbon Steel Corrosion in Neutral Electrolytes." Coatings 10, no. 4 (2020): 362. http://dx.doi.org/10.3390/coatings10040362.

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This article investigates the modification of a carbon steel surface by benzotriazole (BTA), and the structure and properties of the formed layers. Adsorption was studied by surface analytical methods such as X-ray photoelectron spectroscopy (XPS) and reflecting infrared microscopy (FTIR). It has been established that a polymer-like film containing iron-azole complexes that are 2 nm thick and strongly bonded to the metal is formed on the surface as a result of the azole interacting with a steel surface. This film is capable to inhibit uniform and localized corrosion of steel in neutral aqueous
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46

Amanah, Nur Layli, Ika Dyah Widharyanti, and Agung Nugroho. "Synthesis of Water Soluble Chitosan Inhibitor from Shrimp Shells and its Corrosion Rate on Mild Steel in Acidic Solution." Journal of Physics: Theories and Applications 5, no. 1 (2021): 9. http://dx.doi.org/10.20961/jphystheor-appl.v5i1.50402.

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<span>Synthesis of WSCI (Water Soluble Chitosan Inhibitor) </span><span>from shrimp shell waste is carried out through demineralization, deproteination, and deacetylation processes. WSCI is obtained from monomer termination and H<sub>2</sub>O<sub>2</sub> assistance. WSCI was characterized using Fourier Transform Infrared Spectroscopy (FTIR) and the degree of deacetylation was determined using the baseline method. The effect of adding WSCI to low carbon steel SS400 with a 1 M HCl corrosive environment was studied using the weight loss method at various
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47

KAMELI, D., N. ALIOUANE, H. HAMMACHE-MAKHLOUFI, and L. MAKHLOUFI. "ANTI CORROSION ACTIVITY OF ETHYLENE TETRA PHOSPHONIC ACID–Cu2+ SYSTEM ON CARBON STEEL IN H2SO4 SOLUTION." Surface Review and Letters 27, no. 07 (2019): 1950180. http://dx.doi.org/10.1142/s0218625x19501804.

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The anti-corrosion activity of a newly synthesized ethylene tetra phosphonic acid (ETPA), namely {Ethylenebis [(2-hydroxy-5,1,3-phenylene) bismethylene]} tetraphosphonic acid, against the corrosion of carbon steel in 0.5-M H2SO4 medium and its synergistic effect with Cu[Formula: see text] ions were studied using potentiodynamic polarizations and electrochemical impedance spectroscopy (EIS). Potentiodynamic polarization studies indicate that ETPA acts as a mixed-type inhibitor and inhibition efficiency increases with increasing ETPA concentration. The adsorption of ETPA at the surface of carbon
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48

Umoren, Saviour A., Moses M. Solomon, Ime B. Obot, and Rami K. Suleiman. "Effect of Intensifier Additives on the Performance of Butanolic Extract of Date Palm Leaves against the Corrosion of API 5L X60 Carbon Steel in 15 wt.% HCl Solution." Sustainability 13, no. 10 (2021): 5569. http://dx.doi.org/10.3390/su13105569.

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The quest to replace toxic chemicals in the nearest future is revolutionizing the corrosion inhibitor research world by turning its attention to plant biomaterials. Herein, we report the corrosion inhibiting potential of butanolic extract of date palm leaves (BUT) on the corrosion of API 5L X60 carbon steel in 15 wt.% HCl solution. The mass loss, electrochemical impedance spectroscopy (EIS), potentiodynamic polarization (PDP), linear polarization (LPR), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDAX), and atomic force microscopy (AFM) techniques were employed in
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Ilim, Ilim, Alan Jefferson, Wasinton Simanjuntak, et al. "Synthesis and Characterization of Oligomer 4-Vinylpyridine as A Corrosion Inhibitor for Mild Steel in CO2 Saturated Brine Solution." Indonesian Journal of Chemistry 16, no. 2 (2018): 198. http://dx.doi.org/10.22146/ijc.21164.

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In this work, the oligomer of 4-vinylpyridine designated as O(4-VP) was synthesized by hydrogen peroxide initiated chain growth polymerization and characterized in terms of molecular weight and structure by matrix assisted laser desorption ionization time of flight mass spectroscopy (MALDI-TOF MS). The oligomer was tested as corrosion inhibitor of mild steel in brine solution saturated with carbon dioxide, with the main purpose to investigate the effect of inhibitor concentrations and temperatures on the inhibition activity defined in terms of corrosion rate and percent of protection. The inhi
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50

Resende, Gabriel O., Sara F. Teixeira, Igor F. Figueiredo, et al. "Synthesis of 1,2,3-Triazole Derivatives and Its Evaluation as Corrosion Inhibitors for Carbon Steel." International Journal of Electrochemistry 2019 (January 22, 2019): 1–12. http://dx.doi.org/10.1155/2019/6759478.

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Heterocyclic compounds containing the 1,2,3-triazole moiety can be synthesized through click-chemistry, which is rapid reactions with good yields allowing the synthesis of great derivatives diversity by making minor changes in the reagents. The products were obtained with good yields through a synthetic route which uses ready available nonexpensive commercial reagents and without any further purification of any product or intermediate. The carbon steel anticorrosive activity was tested through weight loss and electrochemical assays in acid media. It was observed relevant inhibition efficiency
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