Synthesis and Metal Removal Efficiency of Sodium Phenyldithiocarbamate and Sodium Cyclohexyldithiocarbamate Ligands
Journal Title: IOSR Journal of Applied Chemistry (IOSR-JAC) - Year 2018, Vol 11, Issue 1
Abstract
Two derivatives of dithiocarbamate ligand (sodium phenyldithiocarbamate and sodium cyclohexyldithiocarbamate) were synthesized and infrared spectroscopy was used to confirm the functional groups associated with the ligands. The synthesized ligands’ ability to extract metal (Fe, Cu, Zn and Pb) ions from aqueous solutions were investigated. The analyses were carried out in five different pHto monitor the effect of pH on heavy metal removal. Metal salts andsynthesized ligands were dissolved in the same solvent (ethanol for Fe, Cu and Zn salts and dimethylsulphoxide for Pb salt) and a ligand-metal ratio of 2:1 used in the experiment. The ligands showed effective metal removal efficiency of up to 97.96%. It was observed that both ligands exhibited highest percentage metal removal efficiency at the same pH value (11.0) for all the metals used with the exception of copper (pH 8.5). Though both ligands were effective in metal removal, the aromatic derivative of the ligand showed better percentage removal efficiencies (71.20% - 97.96%). Statistical analysis carried out on the data generated showed significant difference in the metal removal for both ligands particularly in respect of copper and iron.
Authors and Affiliations
James Udochukwu Nzeneri, Gloria Ihuoma Ndukwe, Ovire Julius Abayeh
Keywords
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