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Water-soluble thiosemicarbazide-imidazole derivative as an efficient inhibitor protecting P110 carbon steel from CO2 corrosion

Water-soluble thiosemicarbazide-imidazole derivative as an efficient inhibitor protecting P110... PurposeThe purpose of this paper is to adopt both the fragments of imidazole and thiosemicarbazide as reaction centers, to synthesize a water-soluble corrosion inhibitor named as thiosemicarbazide-imidazole derivative (TH-IM).Design/methodology/approachThis paper presents potentiodynamic polarization tests, electrochemical impedance spectroscopy tests and morphology study of metal surface by scanning electron microscope and thermodynamic study.FindingsIn the aggressive condition of CO2 saturated Wt. NaCl solution at 333 K for 72 h with 400 ppm inhibitor dosage, the efficiency of inhibition increases approximately 98 per cent through the method of weight loss.Originality/valueThis paper finds a new corrosion inhibitor about TH-IM which has a good solubility in water. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Anti-Corrosion Methods and Materials Emerald Publishing

Water-soluble thiosemicarbazide-imidazole derivative as an efficient inhibitor protecting P110 carbon steel from CO2 corrosion

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References (40)

Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0003-5599
DOI
10.1108/ACMM-01-2015-1485
Publisher site
See Article on Publisher Site

Abstract

PurposeThe purpose of this paper is to adopt both the fragments of imidazole and thiosemicarbazide as reaction centers, to synthesize a water-soluble corrosion inhibitor named as thiosemicarbazide-imidazole derivative (TH-IM).Design/methodology/approachThis paper presents potentiodynamic polarization tests, electrochemical impedance spectroscopy tests and morphology study of metal surface by scanning electron microscope and thermodynamic study.FindingsIn the aggressive condition of CO2 saturated Wt. NaCl solution at 333 K for 72 h with 400 ppm inhibitor dosage, the efficiency of inhibition increases approximately 98 per cent through the method of weight loss.Originality/valueThis paper finds a new corrosion inhibitor about TH-IM which has a good solubility in water.

Journal

Anti-Corrosion Methods and MaterialsEmerald Publishing

Published: Nov 7, 2016

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