Taha Sa, A., Sua, (2009). Synthesis and spectral study of Co(II) and Cu(II)complexes using the ligand 2-(2-naphthyl azo)- 4,5-diphenyl imidazole. , 0(36), 605-613.
ad Taha Sa; Sua. "Synthesis and spectral study of Co(II) and Cu(II)complexes using the ligand 2-(2-naphthyl azo)- 4,5-diphenyl imidazole". , 0, 36, 2009, 605-613.
Taha Sa, A., Sua, (2009). 'Synthesis and spectral study of Co(II) and Cu(II)complexes using the ligand 2-(2-naphthyl azo)- 4,5-diphenyl imidazole', , 0(36), pp. 605-613.
Taha Sa, A., Sua, Synthesis and spectral study of Co(II) and Cu(II)complexes using the ligand 2-(2-naphthyl azo)- 4,5-diphenyl imidazole. , 2009; 0(36): 605-613.

Synthesis and spectral study of Co(II) and Cu(II)complexes using the ligand 2-(2-naphthyl azo)- 4,5-diphenyl imidazole

Iraqi National Journal Of Chemistry
Article 1, Volume 0, Issue 36, 2014, Pages 605-613
Authors
ad Taha Sa;
Abstract
Abstract
In this study the ligand 2-(2- naphthyl azo) -4,5-diphenyl imidazole was prepared by the reaction between 2- naphthyl amine and 4,5-diphenyl imidazole in alkaline alcoholic solution. The ligand was examined by using element analysis, UV-Vis. and infrared spectra. Also this research involved the rapid and sensitive determination of cobalt(II) and copper(II) using this ligand at (λmax =550 and 556) nm and pH ( 9.2 and 5.9) respectively and the mole ratio was 1:2 (metal : ligand ). Beer ̀s law is obeyed in the range (1x10-4- 5x10-4)M of Co(II) and (1x10-5-5x10-5) M of Cu(II) with molar absorpitivity (Є =2250-1550) L.mole-1.cm-1 respectively, also these complexes were examined by using the same methods
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