Anti-corrosion Properties of Areca Palm Leaf Extract on Aluminium in 0.5 M HCl Environment

Raghavendra, Narasimha; Bhat, J. Ishwara

doi:10.17159/0379-4350/2018/v71a4

Cited by 16 publications

(10 citation statements)

References 17 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%

“…The inhibition efficiencies of metals in various media such as acidic [2,3,21,22,26,27,29,31,32,34,35,36,37,38,39,42,44,47,53,81,87,90,92], basic [88], neutral [25,40,41,59,100] and sea water [103] have been investigated.…”

Section: Mediamentioning

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: Mediamentioning

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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