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Complex formation of Ag+ with polyether 18-crown-6

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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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Authors and Affiliations

  1. Ivanovo State University of Chemistry and Technology, F. Engels Av. 7, 153460, Ivanovo, Russia

    T. Usacheva, S. Ledenkov & V. Sharnin

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  1. T. Usacheva
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  2. S. Ledenkov
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  3. V. Sharnin
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Correspondence to T. Usacheva.

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Usacheva, T., Ledenkov, S. & Sharnin, V. Complex formation of Ag+ with polyether 18-crown-6. Journal of Thermal Analysis and Calorimetry 70, 379–385 (2002). https://doi.org/10.1023/A:1021608003836

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