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Extraction Equilibria in the Samarium Nitrate–Nitric Acid–Water–Di(2-ethylhexyl)phosphoric Acid–Organic Diluent System

  • CHEMICAL THERMODYNAMICS AND THERMOCHEMISTRY
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Abstract

A study is performed of liquid–liquid extraction equilibria in systems composed of samarium(III) nitrate, nitric acid, water, cyclohexane (toluene, n-heptane, n-dodecane), and di(2-ethylhexyl)phosphoric acid (D2EHPA) at 298.15 K. The compositions and densities of equilibrium aqueous and organic phases are determined. The coefficients of the distribution of samarium between aqueous and organic phases are calculated.

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Funding

This work was performed as part of the project “Chemical Thermodynamics and Theoretical Materials Science” (Information Technology and Systems Center no. 121031300039-1). The authors are grateful to A.A. Eliseev for his assistance in our chemical analysis of the samples.

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Authors and Affiliations

  1. Lomonosov Moscow State University, 119991, Moscow, Russia

    S. V. Kurdakova, N. A. Kovalenko, A. S. Arkhipin, M. D. Kaplina, A. V. Nesterov & I. A. Uspenskaya

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  1. S. V. Kurdakova
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  2. N. A. Kovalenko
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  3. A. S. Arkhipin
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  4. M. D. Kaplina
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  5. A. V. Nesterov
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  6. I. A. Uspenskaya
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Corresponding author

Correspondence to S. V. Kurdakova.

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Translated by M. Timoshinina

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Kurdakova, S.V., Kovalenko, N.A., Arkhipin, A.S. et al. Extraction Equilibria in the Samarium Nitrate–Nitric Acid–Water–Di(2-ethylhexyl)phosphoric Acid–Organic Diluent System. Russ. J. Phys. Chem. (2024). https://doi.org/10.1134/S0036024424020110

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  • DOI: https://doi.org/10.1134/S0036024424020110

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