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Thermogravimetric, potentiometric, conductimetric and spectrometric studies on lanthanide complexes with some hydroxynaphthoic acid AZO dyes
作者:N.T. Abdel-Ghani、A.L. El-Ansary、A.A. Salem
DOI:10.1016/0040-6031(87)87044-2
日期:1987.12
conductimetric, IR, NMR and TGA studies have been carried out on the complexes of trivalent yttrium, lanthanum, praseodymium, neodymium, samarium, gadolinium and erbium with some azo derivatives of 3-hydroxy-2-naphthoic acid. The ionization constants of the reagents and the formation constants of their metal complexes have been determined potentiometrically by Sarin's method. Complexation has also been studied