Milk Thistle Leaves Aqueous Extract as a New Corrosion Inhibitor for Aluminum Alloys in Alkaline Medium

Al-Rudaini, Khudhair Abbas Kareem; Al-Saadie, Khulood Abid Saleh

doi:10.24996/ijs.2021.62.2.2

Cited by 3 publications

(5 citation statements)

References 25 publications

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“…Milk thistle (Silybum marianum) is a natural plant in Iraq during spring period used for AA7051 aluminum alloy in NaOH solution in a range of temperatures by potentiodynamic polarization as a mixed-type inhibitor obeyed Langmuir isotherm [12]. Furthermore, aqueous extract of wild clary (20 mL/L) inhibited 83% of carbon steel corrosion of and a temperature of 298 (K) confirmed by Potentiostat, which revealed it as a mixed-type inhibition [13].…”

Section: Iraqi Academic Research: Advancements In Corrosion Inhibitorsmentioning

confidence: 99%

Assessing the Environmental Safety of Corrosion Inhibitors in Iraqi Studies: A Predictive Analysis

Hammud

2024

IJOIR

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Corrosion inhibitors play a crucial role in mitigating the detrimental effects of chemical and electrochemical interactions over time. This phenomenon poses significant threats to structural integrity, strength, and has far-reaching economic implications across various industries such as construction, petrochemicals, mining, fertilizer, and energy units. The environmental repercussions, including toxic outflows and plant failures, underscore the need for comprehensive assessments. Despite the commendable contributions of Iraqi researchers in developing organic, inorganic, natural, and nano-corrosion inhibitors, there is a critical gap in considering potential side effects. This study explores a pioneering approach to evaluating the toxicity of corrosion inhibitors on both human health and the environment. Leveraging mathematical modeling and mechanisms, we present a mimic estimation of environmental factors influencing corrosion phenomena. The out-lab experimental calculations employ Quantitative Structure-Activity Relationship (QSAR) techniques, providing a structural-based predictive model for assessing the potential impact of chemicals before embarking on experimental complexities. Drawing from Iraqi journals, seven corrosion inhibitors with diverse chemical structures, experimental conditions, and publishing sources were selected. These compounds were subjected to scrutiny using online prediction websites that evaluate Embro-toxicity, Cardio-toxicity, and crop-toxicity. Each inhibitor underwent screening by specific toxicological web servers. The findings revealed that all studied compounds posed moderate to extremely unsafe risks to fetal health during pregnancy, potentially categorizing them as teratogens with elevated risks of preterm labor, miscarriage, or stillbirth. Additionally, none of the tested materials exhibited herbicidal activity.

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Section: Iraqi Academic Research: Advancements In Corrosion Inhibitorsmentioning

confidence: 99%

Assessing the Environmental Safety of Corrosion Inhibitors in Iraqi Studies: A Predictive Analysis

Hammud

2024

IJOIR

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“…Iraq respectively [6,7]. Also, extract of S. marianum growing in south Algeria, Iraq and Egypt was found to inhibit bacterial growth [8][9][10][11].…”

Section: In Morocco Andmentioning

confidence: 99%

“…help in knowing the extent of diversity of the chemicals responsible for metal corrosion and bacterial growth inhibition; as well as genotype-environment interaction. Silybin and its derivatives were found to be the active compounds responsible for metal corrosion and bacterial growth inhibition [6][7][12][13][14].…”

Section: Research Articlementioning

confidence: 99%

“…This is due to its medicinal importance and sometimes as a food supplement [3][4]. On the other hand, it has been reported that the plant extract inhibits metal corrosion [5][6][7]. Regarding the Arabian region, only in Morocco and Iraq, the plant was investigated for its anticorrosion efficiency.…”

Section: Introductionmentioning

confidence: 99%

“…Using an electrochemical method for the determination of corrosion inhibition efficiency, it reached 89.1% and 81. 7…”

Section: Introductionmentioning

confidence: 99%

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Silybum marianum Extract: A green inhibitor for Iron Metal Corrosion and Bacterial Growth in Fresh and Marine Media

Zaki,

Hassouna,

Hefnawy

et al. 2024

MMC

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Egyptian Silybum marianum ethanolic-hexane crude extract efficiency was investigated as an inhibitor of bacterial growth and iron steel corrosion in fresh water and marine environment media. Iron steel corrosion inhibition rate was quantitatively measured by two methods: one as a concentration of iron released in the medium over time intervals at different inhibitor ratios against the control using Inductive Coupled Plasma Mass Spectrometry (ICP-MS), and the second was relative weight loss method. Meanwhile, the development of the adsorption layer of the inhibitor on the surface of the iron steel specimen was monitored qualitatively using scanning electron microscopy. The adsorption of the extract constituents was found to obey Langmuir adsorption isotherm. Bacterial growth inhibition was examined using a well-diffusion method. After three days, the percentage of corrosion inhibition in fresh and marine media was 95% and 91%, respectively at the ratio of 1.5 mg/mL of the crude extract, and a homogeneous adsorption layer was observed on the surface of the iron specimen. The same dose was enough to inhibit bacterial growth in both media. Natural ecofriendly inhibitor extracted from a wild native Egyptian plant was found to be anticorrosion and at the same time antibacterial in both fresh and marine water media.

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Study of plasma electrolytic oxidation coatings on aluminum alloy (AA4020) using different electrolyte composition

Al-Rudaini

Al-Saadie

2023

International Conference of Computational Methods in Sciences and Engineering Iccmse 2021

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Milk Thistle Leaves Aqueous Extract as a New Corrosion Inhibitor for Aluminum Alloys in Alkaline Medium

Cited by 3 publications

References 25 publications

Assessing the Environmental Safety of Corrosion Inhibitors in Iraqi Studies: A Predictive Analysis

Assessing the Environmental Safety of Corrosion Inhibitors in Iraqi Studies: A Predictive Analysis

Silybum marianum Extract: A green inhibitor for Iron Metal Corrosion and Bacterial Growth in Fresh and Marine Media

Study of plasma electrolytic oxidation coatings on aluminum alloy (AA4020) using different electrolyte composition

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