Отправить статью по E-mail Effect of the Composition of Ethanol–DMSO Solvents on the Stability of Silver(I) Complexes with 18-Crown-6
- Авторы: Volkova M.A.1, Kuz’mina I.A.1, Usacheva T.R.1, Sharnin V.A.1, Arena G.2
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Учреждения:
- Department of General Chemical Technology
- Department of Chemical Sciences
- Выпуск: Том 63, № 5 (2018)
- Страницы: 687-690
- Раздел: Physical Chemistry of Solutions
- URL: https://journal-vniispk.ru/0036-0236/article/view/168709
- DOI: https://doi.org/10.1134/S0036023618050212
- ID: 168709
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Аннотация
The effect of composition of ethanol–dimethyl sulfoxide (EtOH–DMSO) solvents (χDMSO = 0.0–1.0 mole fractions) on the stability of silver(I) complexes with 18-crown-6 ether (18C6) has been studied potentiometrically at 298.15 K. The increasing of DMSO concentrations in mixed solvents are shown to considerably reduce the stability of 18C6 complexes with silver(I) ion ([Ag18C6]+). A change in the solvation state of the central ion is suggested to be the key factor in shifting complexing equilibrium.
Об авторах
M. Volkova
Department of General Chemical Technology
Автор, ответственный за переписку.
Email: oxt703@isuct.ru
Россия, Ivanovo, 153000
I. Kuz’mina
Department of General Chemical Technology
Email: oxt703@isuct.ru
Россия, Ivanovo, 153000
T. Usacheva
Department of General Chemical Technology
Email: oxt703@isuct.ru
Россия, Ivanovo, 153000
V. Sharnin
Department of General Chemical Technology
Email: oxt703@isuct.ru
Россия, Ivanovo, 153000
G. Arena
Department of Chemical Sciences
Email: oxt703@isuct.ru
Италия, Catania, 95125
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