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Salicylaldehyde was react with 4-amino-2,3-dimethyl-1-phenyl-3-pyrazoline-5-on to
produce the Schiff base ligand 2,3-dimethyl-1-phenyl-4-salicylidene-3-pyrazoline-5-on (L).
The prepared ligand was identified by Microelemental Analysis, and FT.IR, UV-Vis
spectroscopic techniques. A new complexes of Fe(III),Co(II),Ni(II),Cu(II),Ce(III) and Pb(II)
with mixed ligands of dithizone (DTZ) and Schiff base were prepared in aqueous ethanol with
a 2:2:1 M:L:DTZ. The prepared complexes were characterized using flame atomic
absorption, (C.H.N) Analysis, FT.IR and UV-Vis spectroscopic methods as well as magnetic
susceptibility and conductivity measurements. In addition biological activity of the ligands
and complexes against two selected type of bacteria
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