Corrosion Inhibition of Zinc Using Some Phenylthiazole Derivatives in Hydrochloric acid Solutions
Journal Title: JOURNAL OF ADVANCES IN CHEMISTRY - Year 2013, Vol 4, Issue 2
Abstract
The inhibitive action of some phenylthiazole derivatives namely: 2-acetylamino-5-p-bromophenylazo-4-phenylthiazole (BPT), 2-acetylamino-5-p-methylphenylazo-4-phenylthiazole (MPT), 2-acetylamino-5-p-methoxyphenylazo-4-phenylthiazole (XPT) and 2-acetylamino-5-p-nitrophenylazo-4-phenylthiazole (NPT), on zinc corrosion in 0.2 M HCl has been studied using weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS)and electrochemical frequency modulation (EFM) measurements. The results showed that the dissolution rate of zinc decreases with increasing the phenylthiazole derivatives concentration and decreases with raising temperature. Polarization curves indicated that the studied inhibitors act as mixed-type inhibitors. The adsorption of the investigated compounds follows Langmuir adsorption isotherm model. The thermodynamic parameters of adsorption and corrosion processes were determined and discussed.Â
Authors and Affiliations
Abdel Aziz Fouda, A. Abdel Nazeerb, K. M. Abdel Khalek
Keywords
Related Articles
- EP ID EP652551
- DOI 10.24297/jac.v4i2.2704
- Views 145
- Downloads 0
MAINTENANCE STRATEGY EVALUATION BASED ON AHP – TOPSIS
This paper presents an application of Analytical Hierarchy Process (AHP) is combined with Technique for Order Preference by Similarly to Ideal Solution (TOPSIS) model for selection of the best maintenance strategy for pu...
Inverted S-Shaped Quad Band Patch Antenna for Wireless Applications
Inverted S-shaped multiband patch antenna is designed for wireless applications. Two rectangular slots are cut from the patch to perturb the surface current patch of the antenna that change the conventional rectangular p...
Preparation, characterization, antibacterial and antifungal activities of some transition metal complexes with novel Schiff base ligand derived from N-amino rhodanine
The Schiff base ligand (E)-3-(2-methoxy benzylidene amino)-2-thioxothiazolidin-4-one (L), was prepared from N-amino rhodanine and 2-methoxy benzaldehyde . Moreover, Its complexes were synthesized by mixing metal chloride...
Highly selective potentiometric determination of Fe(III) ions using Tris-(1,2-diiminocyclohexylmethyl-5-Cl-2-hydroxyl benzaldehyde) based membrane electrode
A novel ion-selective poly(vinyl chloride) membrane sensor for Fe(III) ions based on Tris-(1,2-diiminocyclohexylmethyl-5-Cl-2-hydroxyl benzaldehyde) are reported in this paper. The electrode exhibits a good potentiometri...
The Role of Inorganic Metal Salts in Wastewater Clarification
An investigation into the ability of four inorganic coagulants namely; alum (Al2(SO4)3.18H2O), ammonium aluminum sulphate (NH4Al(SO4)2.12H2O), ferrous sulphate (FeSO4) and ammonium ferrous sulphate (NH4)2Fe(SO4)2.6H2O) i...