Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 70: Issue 2
Complex formation of Ag+ with polyether 18-crown-6
Authors:
T. Usacheva Ivanovo State University of Chemistry and Technology F. Engels Av. 7 153460 Ivanovo Russia F. Engels Av. 7 153460 Ivanovo Russia

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S. Ledenkov Ivanovo State University of Chemistry and Technology F. Engels Av. 7 153460 Ivanovo Russia F. Engels Av. 7 153460 Ivanovo Russia

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V. Sharnin Ivanovo State University of Chemistry and Technology F. Engels Av. 7 153460 Ivanovo Russia F. Engels Av. 7 153460 Ivanovo Russia

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Pages:
379–385
Online Publication Date:
01 Nov 2004
Publication Date:
01 Sep 2002
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1021608003836
Keywords:
complex formation; complex stability; ethanol; binary solvents; 18-crown-6; silver(I) ion; transfer enthalpy change
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Abstract  

The complex formation of Ag+ with polyether 18-crown-6 (18C6) and their solvation have been studied using calorimetric and potentiometric methods in H2O-EtOH solvents in wide range of ethanol concentration. The standard enthalpies of dissolution AgNO3, AgClO4 and 18C6 in aqueous-ethanol solvents are obtained. The stability of a complex [Ag18C6]+ grows with increasing the EtOH content a solvent. Using the method based on the thermodynamic characteristics of solvation of metal-ion, ligand and complex-ion the interpretation of the results has been given.

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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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