Potentiometric Study of the Lanthanide(III) Ion Complexes with Schiff Bases Derived from 2-Hydroxy-1-Naphthaldehyde and 2-Substituted Anilines
Corresponding Author(s) : N.G. Palaskar
Asian Journal of Chemistry,
Vol. 13 No. 4 (2001): Vol 13 Issue 4
Abstract
A series of schiff bases derived from 2-hydroxy-1-naphthaldehyde
with 2-chloroaniline, 2-ethoxyaniline, 2-methoxyaniline and
2-methylaniline have been synthesized. Their chelating tendencies
towards lanthanide(III) metal ions have been investigated potentiometrically
at 30 ± 0.1 °C in 60% (v/v) dioxane-water medium and
0.1 M (NaCIO4) ionic strength. The lanthanides form 1 : 1 and 1 : 2
complexes with all the schiff bases and the trend in log K values
shows a break at gadolinium.
Keywords
Potentiometric Study
Lanthanide(III) Ion Complexes
Schiff Bases
2-Hydroxy-1-Naphthaldehyde
2-Substituted Anilines
(1)
Pardeshi, R.; Bondage, S.; Palaskar, N. Potentiometric Study of the Lanthanide(III) Ion Complexes With Schiff Bases Derived from 2-Hydroxy-1-Naphthaldehyde and 2-Substituted Anilines. ajc 2010, 13, 1513-1517.
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