Synthesis, Structural, Density Functional Theory, and X-Ray Diffraction Study of Zn(II) N-Isopropylbenzyldithiocarbamate: Anti-Corrosion Screening in Acid Media

被引：2

作者：

Latif, Noor Syafiqah Habdul ^{[1
]}

Ghazali, Sheikh Ahmad Izaddin Sheikh Mohd ^{[1
]}

Abdullah, Erna Normaya ^{[2
]}

Lahuri, Azizul Hakim ^{[3
]}

Ngatiman, Mohammad Fadzlee ^{[4
]}

Dzulkifli, Nur Nadia ^{[1
]}

机构：

[1] Univ Teknol MARA, Fac Appl Sci, Negeri Sembilan Branch, Kuala Pilah Campus, Negeri Sembilan 72000, Malaysia

[2] Int Islamic Univ Malaysia, Dept Chem, Expt & Theoret Res Lab, Kulliyah Sci, Kuantan 25200, Pahang, Malaysia

[3] Univ Putra Malaysia Bintulu, Fac Agr & Food Sci, Dept Basic Sci & Engn, Sarawak 97008, Malaysia

[4] Univ Kebangsaan Malaysia, CRIM, Bangi 43600, Selangor, Malaysia

来源：

INDONESIAN JOURNAL OF CHEMISTRY | 2018年 / 18卷 / 04期

关键词：

dithiocarbamate; corrosion inhibitor; mild steel; acid;

D O I：

10.22146/ijc.34703

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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 degrees 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 degrees 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.

引用

页码：755 / 765

页数：11

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