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Abstract Related to laboratory experiments and a presentation of the chemicals used in the thesis and their sources Methods of preparation of azo-dye, azo-schiff bases and their combinations with ferric and cobalt salts Ni(II), Nickel(II), Copper(II) and Zinc(II). The elemental analyzes of the azo dye, bases, were also shown Azo-Chef and its compounds, some physical properties, methods of preparing solutions, as well as devices used in Spectroscopic measurements (infrared, ultraviolet and visible, nuclear magnetic resonance, and electron resonance). spin), mass spectra, electrical conductivity, and thermal analysis (gravimetric and differential thermal |