Klorürlü Çözeltilerde Sülfatiyazolün Alüminyum Korozyonuna Etkisi

Bu çalışmada sülfatiyazolün 0,1 M NaCl çözeltisindeki alüminyum korozyonuna inhibisyon etkisi, farklı sıcaklıklarda potansiyodinamik polarizasyon eğrileriyle ve SEM analizleriyle incelenmiştir. Polarizasyon eğrilernden sülfatiyazolün karışık inhibisyon etkisi gösterdiği belirlenmiştir. Langmuir adsorpsiyon izotermi kullanılarak adsorpsiyon serbest enerjisi ve adsorpsiyon denge sabiti hesaplanmıştır. Sıcaklık etkisi Arrhenius eşitliği kullanılarak açıklanmıştır

The Effect of Sulfathiazole on Aluminum Corrosion Chloride Solutions

In this study, the inhibition effect of sulfathiazole on aluminum corrosion in 0.1 M NaCl at different temperature is investigated using with potentiodynamic polarization curves and SEM analysis. Polarization curves indicate that sulfathiazole is a mixed-type inhibitor. Free energy of adsorption and adsorption equilibrium constant was calculated using the Langmuir isotherm. Temperature effect on aluminum corrosion is explained using the Arrhenius equation

Keywords:

Sulfathiazole corrosion, aluminum,

PDF

___

[1] Mohammed A. A., Q. M.,Omar A. H., Synergistic effect of Iions on the corrosion inhibition of Al in 1.0 M phosphoric acid solutions by purine , Materials Chemistry and Physics , 114, 908-914 ,(2009)
[2] Obot I.B., Obi-Egbedi N.O., Umoren S.A., Adsorption Characteristics and Corrosion Inhibitive Properties of Clotrimazole for Aluminium Corrosion in Hydrochloric Acid, International Journal of Electrochemical Science , 4, 863- 877, (2009)
[3] El-Sayed M. S.,Corrosion and Corrosion Inhibition of Aluminum in Arabian Gulf Seawater and Sodium Chloride Solutions by 3-Amino-5-Mercapto-1,2,4-Triazole, International Journal of Electrochemical Science , 6, 1479-1492, (2011)
[4] Yurt A., Bereket G., Ogretir C., Quantum chemical studies on inhibition effect of amino acids and hydroxy carboxylic acids on pitting corrosion of aluminium alloy 7075 in NaCl solution, TheoChem , 725, 215-221, (2005)
[5] Khaled, K.F., Electrochemical investigation and modeling of corrosion inhibition of aluminum in molar nitric acid using some sulphur-containing amines, Corrosion Science, 52, 2905-2916, (2010)
[6] Yazdzad A.R., Shahrabi T., Hosseini M.G., Inhibition of 3003 aluminum alloy corrosion by propargyl alcohol and tartrate ion their synergistic effects in 0.5 % NaCl solution, Material Chemistry and Physics, 109, 199-205, (2008)
[7] Khaled M.I, Evaluation of cysteine as environmentally friendly corrosion inhibitor for copper in neutral and acidic chloride solutions, Electrochimica Acta , 52 ,7811- 7819, (2007)
[8] Pandian B.R., Mathur G.S., Natural products as corrosion inhibitor for metals in corrosive media-A review, Materials Letters, 62, 113-116, (2008)
[9] Khaled K.F., Al-Qahtani M.M., The inhibitive effect of some tetrazole derivatives towards Al corrosion in acid solution: Chemical, electrochemical and therotical studies, Materials Chemistry and Physics, 113, 150-158, (2009)
[10] Obot I.B., Obi-Egbedi N.O., Fluconazole as an inhibitor for aluminium corrosion in 0.1 M HCl , Colloids and Surfaces A: Physicochemical and Engineering Aspects, 330, 207-212, (2008)
[11] Branzoi V., Golgovici F., Branzoi F., Aluminium corrosion in hydrochloric acid solutions and the effect of some organic inhibitors, Materials Chemistry and Physics, 78, 122-131, (2002)
[12] Ehteram A.N, Evaluation of inhibitive action of some quaternary N-heterocyclic compounds on the corrosion of Al-Cu alloy in hydrochloric acid, Materials Chemistry and Physics , 114 , 533 ,(2009)
[13] Yurt A., Ulutas S., Dal H., Electrochemical and theoretical investigation on the corrosion of aluminium in acidic solution containing some Schiff bases, Applied Surface Science, 253, 919-925, (2006)