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All Journal Indonesia Chimica Acta
Afrianti S, Lamuru
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Chemical Engineering, Chemistry & Bioengineering

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Comparative Study of Synthesis and Characterisation of Complex Compounds of Co(II) and Fe(III) Metal Ions with Ligands N-Etilisopropyldithiocarbamate and Its Application as an Additive in Lubricants Dian , Ranggina; Yunus, Muhammad Arham; Afrianti S, Lamuru; Indah , Raya
Jurnal Akta Kimia Indonesia (Indonesia Chimica Acta) Volume 17, No 1: June 2024
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ica.v17i1.34606

Abstract

The aim of the synthesis and characterization of Co(II) and Fe(III) metal ions with N-Ethylisopropyldithiocarbamate ligands is to produce dithiocarbamate complex molecules that can be utilized in pharmacology, industry, agriculture, and chemistry in the future. The in situ method, which involves reacting secondary amines with carbon disulfide in ethanol solvent (dithiocarbamate ligands) and metals dissolved in ethanol solvent (metal ions), was used to synthesize complicated chemicals. Melting point, conductivity value, FT-IR, and UV-Vis analyses were used to characterize complicated compounds. The resulting Co(II)-N-Etilisopropyldithiocarbamate complex compounds are black in color and Fe(III)-N-Ethylisopropyldithiocarbamate are dark green, with a yield of 64.12% and 41.87%, respectively, with different conductivity values,≠0 (electrolyte compound). From the results of the FT-IR analysis, the presence of Co-S bonds was identified at the absorption band of 362.62 cm-1 and Fe-S at the absorption band of 354.90 cm-1. Maximum wavelength absorption UV-Vis, Co(II) (λmax = 330 nm) > Fe(III) (λmax = 310 nm). Characterization results based on the measurement of kinematic viscosity values, Fe(III)-N-ethylisopropyldithiocarbamate complex compounds are more effective as the additives in lubricants than Co(II)-N–Ethylisopropyldithiocarbamate at a temperature of 100 oC.
Co-Authors Dian Ranggina Indah , Raya Yunus, Muhammad Arham