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Synthesis, structural, density functional theory, and x-ray diffraction study of zn(II) n-isopropylbenzyldithiocarbamate: anti-corrosion screening in acid media


Citation

Habdul Latif, Noor Syafiqah and Sheikh Mohd Ghazali, Sheikh Ahmad Izaddin and Abdullah, Erna Normaya and Lahuri, Azizul Hakim and Ngatiman, Mohammad Fadzlee and Dzulkifl, Nur Nadia (2018) Synthesis, structural, density functional theory, and x-ray diffraction study of zn(II) n-isopropylbenzyldithiocarbamate: anti-corrosion screening in acid media. Indonesian Journal of Chemistry, 18 (4). 755 - 765. ISSN 1411-9420; ESSN: 2460-1578

Abstract

Corrosion of metal is a serious issue across many industries and is considered costly. Acids used during the cleaning process in industries may contribute to metal erosion. Dithiocarbamate is a ligand that can act as a corrosion inhibitor due to the presence of sulfur and nitrogen as electronegative atoms. Zn(II) N-isopropylbenzyldithiocarbamate (Zn[N-isopbenzdtc]2) complex was synthesized through direct synthetic method of < 4 °C and characterized using Fourier Transform Infrared-Attenuated Total Reflectance (FTIR-ATR), Ultraviolet-Visible (UV-Vis), Nuclear Magnetic Resonance (NMR), X-ray crystallography study, molar conductivity, melting point, and gravimetric analysis. Corrosion inhibition of mild steel was studied for different corrosive media (1 M HCl and 1 M H2SO4). The synthesized inhibitor was studied at different concentrations of 1, 2, 3, 4, and 5 mM at 40 °C. As a conclusion, as the inhibitor concentration decreased, the efficiency of the corrosion inhibitor also decreased at a constant temperature. In this study, it showed that the corrosion activity of mild steel in 1 M H2SO4 was higher compared to 1 M HCl due to the higher concentration of H+, which makes H2SO4 more corrosive than HCl.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture and Food Sciences
DOI Number: https://doi.org/10.22146/ijc. 34703
Publisher: Universitas Gadjah Mada
Keywords: Dithiocarbamate; Corrosion inhibitor; Mild steel; Acid
Depositing User: Nida Hidayati Ghazali
Date Deposited: 28 Apr 2020 20:01
Last Modified: 28 Apr 2020 20:01
Altmetrics: https://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.22146/ijc. 34703
URI: http://psasir.upm.edu.my/id/eprint/74071
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