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1.
Alexandria Journal of Pharmaceutical Sciences. 1994; 8 (1): 48-51
de Anglais | IMEMR | ID: emr-31566

RÉSUMÉ

The conductance of Co [III] complexes of acetylpyridine- thiosemicarbazone halides has been measured in water at 25C and the data are analyzed using the Fuoss-Onsager equation for 1: 1 associated electrolytes. The characteristic functions, lambda o, a 0 and KA were derived and the association constant KA was analyzed on the basis of the solvent separated-ion pair model


Sujet(s)
Conductimétrie/méthodes , Chimie
2.
Egyptian Journal of Chemistry. 1994; 37 (5): 489-500
de Anglais | IMEMR | ID: emr-107669

RÉSUMÉ

The conductance of [III] complexes of acetylpyri-dinethiosemicarbazone halides were measured in ethanol-water mixtures covering a range of dielectric constant 24.33 < D < 78.54 at 25C. The conductance parameters derived from the Fuoss-Onsager conductance theory indicate that the solvation of these halides decreases with the decrease of the dielectric constant until a certain minimum and then increases again. The plots of log Ka vs. 1/D are not linear indicating that the solvent separated-ion pairs in these systems are characterized by strong hydrogen bonding


Sujet(s)
Chélateurs/composition chimique
3.
Alexandria Journal of Pharmaceutical Sciences. 1993; 7 (1): 84-88
de Anglais | IMEMR | ID: emr-26868

RÉSUMÉ

Conductance of Co[III] complexes of cis-bis[ethylenediamine]dinitro halides has been measured in water at 25C. The data were analyzed using the Fuoss-Onsager equation for 1:1 associated electrolytes and the characteristic function lambda a, a and KA have been derived. The association constant KA was analyzed on the basis of the solvent separated ion pair model


Sujet(s)
Chimie , Chélateurs , /méthodes
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