The influence of adenine on corrosion of copper in chloride solutions

Scendo, M.

doi:10.1016/j.corsci.2008.04.007

Cited by 52 publications

(31 citation statements)

References 57 publications

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“…Adenine is a purine reported to be a potential inhibitor for corrosion prevention of mild steel and copper in acid and neutral media (Scendo, 2007a(Scendo, , 2007b(Scendo, & 2008Amin et al, 2008;Yan et al, 2008). It is well known that the type of corrodent and metal, temperature of the understudy system as well as concentration and molecular structure of an inhibitor, are important factors for consideration in assessing the effectiveness of an inhibitor (Lashgari et al, 2010;Khaled, 2010;Oguzie, 2008;Eddy et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of the Inhibiting Action of Adenine on the Corrosion of Mild Steel in Acidic Environments

Momoh-Yahaya¹,

Eddy²,

Iyun³

et al. 2012

JMSR

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Corrosion inhibition of mild steel by adenine (AD) in 0.1 M solutions of HCl and H 2 SO 4 was investigated using weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy techniques. The study was carried out at 30°C and 60°C respectively. The effect of iodide ions on inhibition efficiency was also assessed. Results showed that AD had a moderate inhibitive effect on the acid corrosion of mild in the order HCl > H 2 SO 4 at 30°C and H 2 SO 4 > HCl at 60°C. The presence of iodide ions in the acid media increased the efficiency of AD. From potentiodynamic polarization studies, it was observed that AD alone and the mixture of AD+KI surpressed both the anodic and cathodic partial reactions. The corrosion processes were inhibited by adsorption of AD onto the mild steel surface in a concentration and temperature-dependent manner. Langmuir isotherm was used to explain the adsorptive characteristics of AD.

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Section: Introductionmentioning

confidence: 99%

Experimental Investigation of the Inhibiting Action of Adenine on the Corrosion of Mild Steel in Acidic Environments

Momoh-Yahaya¹,

Eddy²,

Iyun³

et al. 2012

JMSR

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“…[1][2][3][4] Among other things, the information can be used to improve the function of corrosion inhibitors, [5][6][7] controllers of metal electro-precipitation, organic electro-synthesis 8 or electro-analytical techniques. [9][10][11] Adenine and guanine are two most important purine nucleobases that are present in all nucleic acids.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Adenine Adsorption on Zn (II) Electroreduction in Acetate Buffer

Gugała-Fekner

2018

ACSi

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The paper presents the thermodynamic analysis of adenine adsorption on a mercury electrode in an acetate buffer at pH 3 and pH 4. Adsorption energy and constants were determined using the Frumkin isotherm and the virial isotherm. Stronger adsorption in the buffer at pH 3 was observed in comparison to the buffer at pH 4. Using cyclic voltammetry and Faraday impedance measurement, an inhibitory effect of adenine on the kinetics of Zn (II) ion electro-reduction was observed.

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“…Ayrıca 3AMP yapısında bulunan amin grubu sayesinde yumuşak çelik yüzeyine daha kuvvetli adsorplanabilir. Çünkü N gibi ortaklanmamış elektron çifti içeren sübstitüentler içeren yapılarda elektron yoğunluğu yüksek bölgeler sayesinde metal yüzeyine tutunma olasılığı artmaktadır [9][10][11][12][13][14][15][16]. 3AMP molekülü hem heterosiklik halkadaki N bölgesi hem de amin ucundaki N bölgesi sayesinde adsorpsiyonu destekleyebilir.…”

Section: öNceki̇ çAlişmalarunclassified

Yumuşak Çeliğin Korozyon Davranışı

Mert

2017

Çukurova Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi

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ÖzBu çalışmada yumuşak çeliğin (YÇ) asidik ortamındaki korozyon davranışına 3-Amino metil piridin'in (3AMP) inhibitör etkisi araştırılmıştır. Elektrokimyasal teknikler (elektrokimyasal impedans spektroskopisi ve polarizasyon ölçümleri) ve kuantum kimyasal hesaplamalar uygulanmıştır. Elde edilen sonuçlara göre; 3AMP'nin inhibisyon etkinliği artan 3AMP derişimi ile artış göstermiştir. 50 mM 3AMP içeren 0,5 M HCl çözeltisinde inhibisyon etkinliği %97 olarak tespit edilmiştir. Polarizasyon ölçümleri 3AMP'nin hem katodik hem de anodik reaksiyonların hızını azalttığını göstermektedir. Yüksek inhibisyon etkinliği, teorik olarak belirlenen yüksek HOMO enerjisi (-6,937 eV), dipol momenti (2,473 D) ve düşük LUMO enerjisi (-1,05 eV) ile ilişkilendirilmiştir. Belirlenen Mulliken yüklere göre; N atomları üzerindeki negatif yük sebebiyle 3AMP'nin yumuşak çelik yüzeyine adsorpsiyonunun amin ve/veya N ucundan gerçekleşebileceği düşünülmektedir. Anahtar Kelimeler: Korozyon, Yumuşak çelik, 3-Amino metil piridin The Corrosion Behavior of Mild Steel AbstractIn this study, the inhibition effect of 3-aminomethyl pyridine (3AMP) on mild steel corrosion behavior in acidic medium is investigated. The electrochemical techniques (electrochemical impedance spectroscopy and polarization measurements) and quantum chemical calculations were obtained. The results showed that; inhibition efficiencies increase with increasing concentration of 3AMP. The inhibition efficiency is 97% in 50 mM 3AMP containing 0.5 M HCl solution. It is found that 3AMP retards both anodic and cathodic reactions according to polarization measurements. The high inhibition efficiency of 3AMP is attributed to the high value of EHOMO (-6.937 eV), dipole moment μ (2.473 D) and low value of ELUMO (-1.049 eV). According to calculated Mulliken charges; the adsorption of 3AMP may be occurred on amine and/N terminal of molecule.

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The influence of adenine on corrosion of copper in chloride solutions

Cited by 52 publications

References 57 publications

Experimental Investigation of the Inhibiting Action of Adenine on the Corrosion of Mild Steel in Acidic Environments

Experimental Investigation of the Inhibiting Action of Adenine on the Corrosion of Mild Steel in Acidic Environments

The Effect of Adenine Adsorption on Zn (II) Electroreduction in Acetate Buffer

Yumuşak Çeliğin Korozyon Davranışı

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