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Thermodynamic properties of actinide complexes. IV. Thorium(IV)- and uranyl(VI)-malonate systems

Abstract

The stability constants and the enthalpies of formation of thorium(IV)- and uranyl(VI)-malonate complexes have been determined by potentiometric and calorimetric titrations in 1.00 M solutions of Na(ClO/sub 4/) at 25/sup 0/C. All complexes formed are found to be stabilized by a large entropy gain. The values for the stability constants agree with an ionic bonding model. The malonate behaves as a bidentate ligand forming only chelate complexes.
Authors:
Di Bernardo, P; Di Napoli, V; Cassol, A; Magon, L [1] 
  1. Consiglio Nazionale delle Ricerche, Padua (Italy). Lab. di Chimica e Tecnologia dei Radioelementi
Publication Date:
Jan 01, 1977
Product Type:
Journal Article
Reference Number:
AIX-08-346222; EDB-78-028027
Resource Relation:
Journal Name: J. Inorg. Nucl. Chem.; (United Kingdom); Journal Volume: 39:9
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY; THORIUM COMPLEXES; FORMATION HEAT; STABILITY; URANYL COMPLEXES; AQUEOUS SOLUTIONS; CALORIMETRY; CHLORATES; ENTROPY; LIGANDS; MALONIC ACID; MEDIUM TEMPERATURE; POTENTIOMETRY; SODIUM COMPOUNDS; ACTINIDE COMPLEXES; ALKALI METAL COMPOUNDS; CARBOXYLIC ACIDS; CHLORINE COMPOUNDS; COMPLEXES; DICARBOXYLIC ACIDS; DISPERSIONS; ENTHALPY; HALOGEN COMPOUNDS; MIXTURES; ORGANIC ACIDS; ORGANIC COMPOUNDS; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; REACTION HEAT; SOLUTIONS; THERMODYNAMIC PROPERTIES; TITRATION; URANIUM COMPLEXES; 400702* - Radiochemistry & Nuclear Chemistry- Properties of Radioactive Materials
OSTI ID:
5404026
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: JINCA
Submitting Site:
INIS
Size:
Pages: 1659-1663
Announcement Date:

Citation Formats

Di Bernardo, P, Di Napoli, V, Cassol, A, and Magon, L. Thermodynamic properties of actinide complexes. IV. Thorium(IV)- and uranyl(VI)-malonate systems. United Kingdom: N. p., 1977. Web. doi:10.1016/0022-1902(77)80122-X.
Di Bernardo, P, Di Napoli, V, Cassol, A, & Magon, L. Thermodynamic properties of actinide complexes. IV. Thorium(IV)- and uranyl(VI)-malonate systems. United Kingdom. doi:10.1016/0022-1902(77)80122-X.
Di Bernardo, P, Di Napoli, V, Cassol, A, and Magon, L. 1977. "Thermodynamic properties of actinide complexes. IV. Thorium(IV)- and uranyl(VI)-malonate systems." United Kingdom. doi:10.1016/0022-1902(77)80122-X. https://www.osti.gov/servlets/purl/10.1016/0022-1902(77)80122-X.
@misc{etde_5404026,
title = {Thermodynamic properties of actinide complexes. IV. Thorium(IV)- and uranyl(VI)-malonate systems}
author = {Di Bernardo, P, Di Napoli, V, Cassol, A, and Magon, L}
abstractNote = {The stability constants and the enthalpies of formation of thorium(IV)- and uranyl(VI)-malonate complexes have been determined by potentiometric and calorimetric titrations in 1.00 M solutions of Na(ClO/sub 4/) at 25/sup 0/C. All complexes formed are found to be stabilized by a large entropy gain. The values for the stability constants agree with an ionic bonding model. The malonate behaves as a bidentate ligand forming only chelate complexes.}
doi = {10.1016/0022-1902(77)80122-X}
journal = {J. Inorg. Nucl. Chem.; (United Kingdom)}
volume = {39:9}
journal type = {AC}
place = {United Kingdom}
year = {1977}
month = {Jan}
}