Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 21: Issue 2
Etude enthalpique de l'interaction du chelate Eu(DPM)3 avec une serie de pyridines en solution
Authors:
L. Elegant Laboratoire de Thermodynamique Expérimentale Institut Polytechnique Méditerranéen Parc Valrose 06034 Nice Cedex France

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and
J. P. Teribat Laboratoire de Thermodynamique Expérimentale Institut Polytechnique Méditerranéen Parc Valrose 06034 Nice Cedex France

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Pages:
291–298
Online Publication Date:
25 Jul 2005
Publication Date:
01 Aug 1981
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01914213
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Equilibrium constants and enthalpy changes are reported between a series of substituted methylpyridines and the chelate tris(dipivaloylmethanato)europium(III) in chloroform solution at 36° as obtained by calorimetric measurements. The 1∶1 adduct enthalpies are ordered in agreement with the electronic and steric effects of the methyl group in a to the heteroatom. Some anomalies are observed when the concentration ratio between ligand and chelate is higher than unity. These findings conform with the hypothesis of the existence of a supplementary equilibrium which may be assigned to the formation of the 1∶2 adduct.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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