Corrosion inhibition of iron in 1M HCl solution with Schiff base compounds and derivatives

Emregül, Kaan C.; Atakol, Orhan

doi:10.1016/j.matchemphys.2003.11.008

Cited by 155 publications

(69 citation statements)

References 13 publications

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“…imaginary number, Q is the frequency independent real constant, w=2πf is the angular frequency (rad/s), fis the frequency of the applied signal, and n is the CPE exponent. Its value makes it possible to differentiate between the behaviour of an ideal capacitor (n = 1) and of a CPE (n < 1) [43] .…”

Section: Electrochemical Impedance Spectroscopy (Eis)mentioning

confidence: 99%

The inhibition effect of mad Honey on corrosion of 2007-type aluminium alloy in 3.5% NaCl solution

2013

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The inhibition effect of mad honey on corrosion of 2007-type aluminium alloy in 3.5% NaCl solution was investigated by Tafel extrapolarisation (TP), electrochemical impedance spectroscopy (EIS) and dynamic electrochemical impedance spectroscopy (DEIS). All the studied parameters exhibited good anti-corrosive properties against corrosion of 2007-type aluminium alloy in the test solution; the corrosion rates decreased with the increase of the mad honey concentration. The surface morphology of the alloy was examined under scanning electron microscopy (SEM) in the absence and presence of the inhibitor. The inhibitory adsorption processes of mad honey on the 2007-type aluminium alloy surfaces conformed to the Langmuir adsorption isotherm.

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Section: Electrochemical Impedance Spectroscopy (Eis)mentioning

confidence: 99%

The inhibition effect of mad Honey on corrosion of 2007-type aluminium alloy in 3.5% NaCl solution

2013

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“…Figure 1 shows the molecular structure of heterocyclic Schiff base 3FI4ABA. Anal.calcd for C 16 (200, 400, 600, 800, 1000, 1200, and 2000). The exact area and thickness of each coupon were measured and washed with distilled water containing detergent.…”

Section: Methodsmentioning

confidence: 99%

“…As the concentration of 3FI4ABA increased, a marked rise in the inhibition efficiency was observed. The inhibition efficiency showed a saturation value at the inhibitor concentration 0.7 mM (critical inhibitor concentration) [15,16]. Table 1(b) reveals the corrosion rates and inhibition efficiencies of 3FI4ABA for copper specimens in 1 M HCl.…”

Section: Weight Loss Measurementsmentioning

confidence: 99%

3-Formylindole-4-aminobenzoic Acid: A Potential Corrosion Inhibitor for Mild Steel and Copper in Hydrochloric Acid Media

et al. 2012

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The corrosion inhibition efficiencies of Schiff base 3-formylindole-4-aminobenzoic acid (3FI4ABA) on mild steel (MS) and copper in 1.0 M HCl solution have been investigated using weight loss measurements, electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization studies. The results show that inhibition efficiencies on both metals increase with increasing the concentration of the inhibitor. 3FI4ABA exhibited comparatively good inhibition towards mild steel in HCl medium even at low concentrations. The adsorption of inhibitor on the surfaces of the corroding metal mild steel and copper obeys the Langmuir isotherm. Polarization studies revealed that 3FI4ABA acts as a mixed-type inhibitor. Thermodynamic parameters (K ads , ΔG 0 ads ) were calculated using the Langmuir adsorption isotherm.

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“…Minimum surface area (A min ) can be calculated using equation (3) Biodegradability:-The biodegradability test in river water of the prepared surfactants was carried out using the surface tension method (DU-Nouytensiometer, Kruss type K 6 ) using a platinum ring (Falbe, 1986) Gravimetric measurements:-The inhibiting efficiency to corrosion of the prepared surfactants was measure using a weight -loss technique ( Emregul et al ,2004)) .The experiments were performed using aluminum specimens have total surface area 530 3cm 2 ,corrosive solutions of 1M HCl and three different surfactants concentrations (100, 300, 500 ppm ) prepared from doubly distilled water. The specimens were dipped in 100ml of the corrosive solution at30 o c for a period of four hours .The experiments were carried out on triplicate specimens in the present and absence of surfactant and the average corrosion rate and inhibitor efficiency were calculated using equation (4,5) .…”

Section: Minimum Surface Area (A Min )mentioning

confidence: 99%

Synthesis and Evaluation of a Novel Series of Nonionic Surfactants Derived From Itaconic Acid Esters as Biodegradable Corrosion Inhibitors for Aluminum in Acidic Medium.

Hefnawy¹,

Eissa²,

Allah³

2017

IJAR

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Corrosion inhibition of iron in 1M HCl solution with Schiff base compounds and derivatives

Cited by 155 publications

References 13 publications

The inhibition effect of mad Honey on corrosion of 2007-type aluminium alloy in 3.5% NaCl solution

The inhibition effect of mad Honey on corrosion of 2007-type aluminium alloy in 3.5% NaCl solution

3-Formylindole-4-aminobenzoic Acid: A Potential Corrosion Inhibitor for Mild Steel and Copper in Hydrochloric Acid Media

Synthesis and Evaluation of a Novel Series of Nonionic Surfactants Derived From Itaconic Acid Esters as Biodegradable Corrosion Inhibitors for Aluminum in Acidic Medium.

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