Thermodynamics of complexation of yttrium-family lanthanide ethylenediamine disuccinates at 298.15 K
- Авторы: Lytkin A.I.1, Chernyavskaya N.V.1, Chernov A.S.1, Krutova O.N.1, Litvinenko V.E.2
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Учреждения:
- Ivanovo State University of Chemistry and Technology
- Kostroma State University
- Выпуск: Том 61, № 12 (2016)
- Страницы: 1620-1623
- Раздел: Physical Chemistry of Solutions
- URL: https://journals.rcsi.science/0036-0236/article/view/166997
- DOI: https://doi.org/10.1134/S0036023616120111
- ID: 166997
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Аннотация
Complexation between ethylenediamine-N,N'-disuccinic acid (Н4Y, EDDS) and Er3+, Yb3+, and Lu3+ ions in aqueous solutions is studied by calorimetry and pH measurements. The thermodynamic parameters (logK, ΔrG, ΔrH, and ΔrS) of formation of LnY–and LnHY complexes at 298.15 K and ionic strength I = 0.5(KNO3) are determined. Changes in the thermodynamic parameters of reactions while moving along the lanthanide series are discussed.
Об авторах
A. Lytkin
Ivanovo State University of Chemistry and Technology
Автор, ответственный за переписку.
Email: alytk@mail.ru
Россия, Ivanovo
N. Chernyavskaya
Ivanovo State University of Chemistry and Technology
Email: alytk@mail.ru
Россия, Ivanovo
A. Chernov
Ivanovo State University of Chemistry and Technology
Email: alytk@mail.ru
Россия, Ivanovo
O. Krutova
Ivanovo State University of Chemistry and Technology
Email: alytk@mail.ru
Россия, Ivanovo
V. Litvinenko
Kostroma State University
Email: alytk@mail.ru
Россия, Kostroma
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