Examination and study of (thiazole-5-carboxylic acid) as inhibitor in sodium chloride medium for a mild steel corrosion | ||||
| Egyptian Journal of Chemistry | ||||
| Article 35, Volume 65, Issue 10, October 2022, Page 397-402 PDF (358.92 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejchem.2022.110259.5017 | ||||
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| Authors | ||||
Raheem Aziz Al-Uqaily   1; Jawad Kadhim Abaies2; SUBHI Abdulsattar AL-BAYATY3
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| 1wasit university | ||||
| 2chemistry , college of science , wasit university | ||||
| 3Department of Chemistry, College of Science, Wasit University, Wasit , Iraq | ||||
| Abstract | ||||
| The corrosion inhibitor (thiazole-5-carboxylic acid) was tested in this study using a weight loss technique and at temperatures range from 30 to 50 °C, and concentrations range from 100 to 400 ppm. Since the corrosion inhibitor contains atoms of oxygen, nitrogen, and sulfur, as well as thiazole that can be inhibit the corrosion process, the corrosion inhibitor's efficiency decreases as temperatures rise to 40 and 50°C, due to the formation of a layer of film on the metal's surface, and because the corrosion inhibitor contains atoms of oxygen, nitrogen, and sulfur, as well as thiazole that can be inhibit the corrosion process. The reaction's thermodynamic characteristics, such as activation energy, enthalpy, entropy, and free energy of adsorption, were determined and were satisfactory in the inhibitory processes. | ||||
| Keywords | ||||
| NaCl; carboxylic acid; inhibitor; polarization; weight loss; entropy; efficiency | ||||
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