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Synthesis, Characterization and Thermal Study of Nickel Complexes with Schiff base and Mixed Ligands and their Analytical Application | ||
| Journal of University of Anbar for Pure Science | ||
| Volume 19, Issue 1 - Serial Number 19, May and June 2025, Pages 137-149 PDF (1.5 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.37652/juaps.2024.150382.1266 | ||
| Authors | ||
| wesal sadiq Ahmed* ; sattar rajb alesaui | ||
| Department of Chemistry, College of Science , University Of Anbar, Ramadi, Iraq | ||
| Abstract | ||
| Nickel (II) (Ni) complexes were synthesized from Schiff base ligands (E)-4-((2-hydroxybenzylidene)amino). -1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, (C18H17N3O2) as the primary ligand, and oxalic acid, malonic acid, and sodium pyrophosphate as secondary ligands with a (1:1) mole ratio [Ni(C18H17N3O2)Cl2], [Ni (C18H17N3O2)(ox)], [Ni (C18H17N3O2)(ma)] and [Ni (C18H17N3O2)(pyph)]. The complexes were identified by elemental microanalysis, atomic absorption , mass spectroscopy, thermal gravimetric analysis, FT-IR spectroscopy, ultra violet spectroscopy, molar conductivity, and melting point. The complex products had square-planer geometry quantitatively measured at 429 nm at optimal reaction. Results suggested that all complexes are non-electrolyte and Schiff base ligands (E)-4-((2-hydroxybenzylidene)amino)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one, oxalic and malonic acids, and sodium pyrophosphate behave as bidentate ligands with Ni(II) ions. The geometrical structure was based on data from previous techniques. We find that the (E)-4-((2-hydroxybenzylidene)amino)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one detector can be used in spectral analysis to estimate micrograms of nickel ions as it complexes with colored solutions or sediments, resulting in super absorbent peaks within calibration curves for each ion. | ||
| Keywords | ||
| Nickel; Schiff base; Mixed ligands; Thermal studies; Mole ratio | ||
| References | ||
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