Investigation of the solid-state conductivity and the potentiometric stability constant relationships of new amino acid-Schiff bases and their complexes

Author： Sarì N.   Gürkan P.  

Publisher： Springer Publishing Company

ISSN： 0340-4285

Source： Transition Metal Chemistry, Vol.28, Iss.6, 2003-09, pp. : 687-693

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Abstract

CuII, NiII and CoII complexes of new tridentate amino acid-Schiff bases derived from furfural and DL-alanine, DL-valine and DL-phenylalanine were prepared and characterized by analytical, spectroscopic, (i.r., u.v.–vis., 1H-n.m.r and 13C-n.m.r) techniques, molar conductivity, magnetic and thermal measurements. Protonation constants of the Schiff bases and stability constants of the complexes have been determined potentiometrically in water. Solid-state conductivities of the synthesized substances were measured using the four-probe technique on a compressed pellet at room temperature.

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