Anticorrosion Coating using <i>Olea</i> sp. Leaves Extract

Ikhmal, W M K W M; Yasmin, Medina; Fazira, M.F.; Rafizah, Wan Abdullah Wan; Nik, W.B. Wan; Sabri, M. G. M.

doi:10.1088/1757-899x/344/1/012028

Cited by 16 publications

(12 citation statements)

References 12 publications

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“…The corrosion of various metals such as mild steel [2,21,22,25,26,27,28,31,32,35,36,40,41,42,47,53,90,92], stainless steel [24,28,29,81], aluminium [3,38,44,87], copper [33,59], zinc [37], steel-copper [33], pipeline steel API 5L X52 [34], AM60 magnesium alloy [100] has been controlled by the extracts of leaves.…”

Section: Metalsmentioning

confidence: 99%

“…Leaves such as Urtica dioica leaves extract [2], almond (Prunus amygdalus) fruit leaves [3], Xanthium strumarium leaves [21], Piper guineense (uziza leaf) [22], Olive leaves [24], Glycyrrhiza glabra [26], extract of ginkgo biloba [28], extract of Prunus persica (P. persica) [29], Murraya koenigii (curry) leaves [32], Ziziyphus leaves [33], Aloe vera L. [35,81], Gongronema latifolium [36], Areca palm leaves [38], Chaenomeles sinensis (C. sinensis) leaves [39], Ficus carica (Fig tree) leaves [40], Mangrove (Rhizophora apiculata) bark and leaf [42], Urtica Dioica leaves [43], Murraya koenigii leaves [44], Bauhinia tomentosa leaves extract [47], Schreabera swietenioids leaves [53], camellia sinensis [87], leaves of Pistacia lentiscus from Saidia Morocco [90], leaves of Hibiscus sabdariffa [92], have been used as corrosion inhibitors.…”

Section: Leavesmentioning

confidence: 99%

“…Mechanism of corrosion inhibition has been established by electrochemical studies such as polarization study [24,27,29,35,41,42,44,59,90], AC impedance spectra [24,25,27,29,35,38,42,44,59,81,90] electrochemical noise method [81]. The extracts can act as anodic inhibitors [44], cathodic inhibitors [29] and mixed type of inhibitors [29,34,42,53].…”

Section: Mechanism Of Corrosion Inhibitionmentioning

confidence: 99%

“…The protective films formed on the metal surface have been analysed by FTIR [24,25,31,47,53] spectra, SEM [2,24,28,31,38,47,53,59,81], EDAX [25], X-ray [32] and AFM [2,26,38,47].…”

Section: Surface Analysismentioning

confidence: 99%

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Green solution to corrosion problems – at a glance

2019

Int. J. Corros. Scale Inhib.

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Extracts of natural products are used as corrosion inhibitors since they are non toxic and environmentally friendly. Especially the extracts of leaves have attracted the attention of many researchers. Usually weight loss methods are adopted to measure the corrosion inhibition efficiencies. The mechanistic aspects have been investigated by electrochemical studies such as polarization study and AC impedance spectra. Sometimes noise measurement has also been used. The protective films formed on the metal surface have been analysed by surface analysis techniques such as SEM, EDAX, FTIR and AFM. Experiments have been carried out at various temperatures also. Various adsorption isotherms have been proposed. Of all the metals and alloys used, mild steel has been extensively used. The experiments have been carried out in acid medium and neutral medium (sodium chloride). The extracts of the leaves contain many ingredients which have polar groups such as N, O, S and P atoms. The lone pair of electrons present on these atoms are pumped on to the metal surface. This controls the corrosion process.

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Section: Metalsmentioning

confidence: 99%

Section: Leavesmentioning

confidence: 99%

Section: Mechanism Of Corrosion Inhibitionmentioning

confidence: 99%

“…The protective films formed on the metal surface have been analysed by FTIR [24,25,31,47,53] spectra, SEM [2,24,28,31,38,47,53,59,81], EDAX [25], X-ray [32] and AFM [2,26,38,47].…”

Section: Surface Analysismentioning

confidence: 99%

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Green solution to corrosion problems – at a glance

2019

Int. J. Corros. Scale Inhib.

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“…As one of the general corrosion control practices, the coating has proved its capability to reduce the issue on both closed and open system. Defined as a layer which covers a surface known as the substrate, the coating is commonly applied for various aims such as to improve the outlook of a product, providing a specific function such to protect the metal from corroding or both [24][25][26][27]. The selected coating, EA9 Finish HB is a type of amine adduct cured epoxy coating commercialized for protection on aluminum, steel, and concrete.…”

Section: Introductionmentioning

confidence: 99%

Corrosion inhibition of mild steel in seawater through green approach using Leucaena leucocephala leaves extract

2019

Int. J. Corros. Scale Inhib.

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Corrosion inhibition analysis of Leucaena leucocephala leaves extract (LLE) as an additive incorporated into a commercialized coating to protect mild steel when immersed in seawater has been successfully conducted. The procedures involve the utilization of multiple techniques including Fourier transform infrared spectroscopy (FTIR), ultravioletvisible spectroscopy (UV-Vis), electrochemical impedance spectroscopy (EIS), potentiodynamic polarization and scanning electron microscope with energy-dispersive Xray spectroscopy (SEM/EDS). The result of FTIR identified both hydroxyl (-OH) and carbonyl (C=O) groups indicating the presence of phenolic compounds in the extract whereas the analysis obtained from UV-Vis showed a peak absorption spectrum at 268 nm. The electrochemical analysis indicated an excellent inhibition efficiency up to 96.12% for the immersed mild steel coated with 6% of LLE coating. Furthermore, based on the study of polarization, a drastic decrease of corrosion rate at 0.2791 mm/year was observed for the same coating as compared to the uncoated substrate, which was 2.3991 mm/year. The study also confirmed that LLE acts as a mixed type inhibitor, as shown in the polarization curve. The morphological evaluation displayed a smooth and homogenous surface with less salt precipitation for 6% of LLE coating as compared to other types of coating affirming it to be the optimum concentration for this evaluation study.

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Heavy metal‐free electrochemical detection of pyrophosphate ions by Nafion/carbon dots decorated screen printed carbon electrodes

Chang

Liao

2023

J Chinese Chemical Soc

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We employ Nafion‐mixed carbon dots (CDs) and low‐cost screen‐printed carbon electrodes (SPCEs) as foundation matrices for the fabrication of electrochemical biosensors. The NH2 and COOH functional groups present on the SPCE surface after Nafion/CDs deposition allow for pyrophosphate ions (PPis) collection. Using Fe(CN)63− as the electrochemical mediator, the SPCE‐Nafion/CDs are applied to the detection of aqueous PPi by square wave voltammetry. Between 50 and 1 μM, a linear connection is established between the square wave voltammetry current and the PPi concentration. The limit of detection is determined to be 1.01 μM, and recoveries of 113% (±1.9%) and 108% (±3.9%) are achieved for human urine samples spiked with 6 and 3 μM of PPi, respectively. Furthermore, this PPi assay is suitable for the usage of complicated urine matrices without the inclusion of heavy metals. We anticipate that this unique approach will be beneficial for PPi level monitoring in urine during therapeutic treatments of illnesses and malignancies.

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Anticorrosion Coating using Olea sp. Leaves Extract

Cited by 16 publications

References 12 publications

Green solution to corrosion problems – at a glance

Green solution to corrosion problems – at a glance

Corrosion inhibition of mild steel in seawater through green approach using Leucaena leucocephala leaves extract

Heavy metal‐free electrochemical detection of pyrophosphate ions by Nafion/carbon dots decorated screen printed carbon electrodes

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