Bulk Properties of Di(2-ethylhexyl)phosphoric Acid–Samarium (Europium, Gadolinium) Di(2-ethylhexyl)phosphate–Organic Solvent Solutions
Complexes formed by di(2-ethylhexyl)phosphoric acid (D2EHPA) and lanthanides (Sm, Eu, Gd) are synthesized and characterized. The densities of D2EHPA–samarium (europium, gadolinium) di(2-ethylhexyl)phosphate– n -heptane (toluene, cyclohexane, n -hexane) solutions that form the organic phase in the pr...
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Published in | Russian Journal of Physical Chemistry A Vol. 96; no. 1; pp. 84 - 92 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
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Moscow
Pleiades Publishing
2022
Springer Nature B.V |
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Abstract | Complexes formed by di(2-ethylhexyl)phosphoric acid (D2EHPA) and lanthanides (Sm, Eu, Gd) are synthesized and characterized. The densities of D2EHPA–samarium (europium, gadolinium) di(2-ethylhexyl)phosphate–
n
-heptane (toluene, cyclohexane,
n
-hexane) solutions that form the organic phase in the processes of extraction of rare-earth elements (REE) are measured. It is shown that the Redlich–Kister model allows the bulk properties of the D2EHPA–REE di(2-ethylhexyl)phosphate–organic solvent systems to be described using data for D2EHPA–organic solvent binary subsystems and the density of liquid REE di(2-ethylhexyl)phosphate. |
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AbstractList | Complexes formed by di(2-ethylhexyl)phosphoric acid (D2EHPA) and lanthanides (Sm, Eu, Gd) are synthesized and characterized. The densities of D2EHPA–samarium (europium, gadolinium) di(2-ethylhexyl)phosphate–
n
-heptane (toluene, cyclohexane,
n
-hexane) solutions that form the organic phase in the processes of extraction of rare-earth elements (REE) are measured. It is shown that the Redlich–Kister model allows the bulk properties of the D2EHPA–REE di(2-ethylhexyl)phosphate–organic solvent systems to be described using data for D2EHPA–organic solvent binary subsystems and the density of liquid REE di(2-ethylhexyl)phosphate. Complexes formed by di(2-ethylhexyl)phosphoric acid (D2EHPA) and lanthanides (Sm, Eu, Gd) are synthesized and characterized. The densities of D2EHPA–samarium (europium, gadolinium) di(2-ethylhexyl)phosphate–n-heptane (toluene, cyclohexane, n-hexane) solutions that form the organic phase in the processes of extraction of rare-earth elements (REE) are measured. It is shown that the Redlich–Kister model allows the bulk properties of the D2EHPA–REE di(2-ethylhexyl)phosphate–organic solvent systems to be described using data for D2EHPA–organic solvent binary subsystems and the density of liquid REE di(2-ethylhexyl)phosphate. |
Author | Kurdakova, S. V. Kovalenko, N. A. Uspenskaya, I. A. Babayan, I. I. |
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Cites_doi | 10.1021/je60053a052 10.33263/BRIAC102.323331 10.1016/S0167-7322(01)00271-9 10.1016/j.molliq.2020.113498 10.1016/j.fluid.2016.11.029 10.1016/j.jct.2021.106608 10.1021/acs.jced.8b00487 10.1002/crat.2170300719 10.1016/j.jcis.2013.09.018 10.1021/je0496645 10.1016/j.mineng.2013.10.021 10.1016/0040-6031(94)85036-4 10.1016/j.jct.2015.09.036 10.3103/S0027131416030068 |
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Copyright | Pleiades Publishing, Ltd. 2022. ISSN 0036-0244, Russian Journal of Physical Chemistry A, 2022, Vol. 96, No. 1, pp. 84–92. © Pleiades Publishing, Ltd., 2022. Russian Text © The Author(s), 2022, published in Zhurnal Fizicheskoi Khimii, 2022, Vol. 96, No. 1, pp. 61–69. |
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Snippet | Complexes formed by di(2-ethylhexyl)phosphoric acid (D2EHPA) and lanthanides (Sm, Eu, Gd) are synthesized and characterized. The densities of D2EHPA–samarium... |
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SubjectTerms | Chemistry Chemistry and Materials Science Cyclohexane Europium Gadolinium Heptanes Hexanes Lanthanides Phosphoric acid Physical Chemistry Physical Chemistry of Solutions Rare earth elements Samarium Solvents Subsystems Toluene |
Title | Bulk Properties of Di(2-ethylhexyl)phosphoric Acid–Samarium (Europium, Gadolinium) Di(2-ethylhexyl)phosphate–Organic Solvent Solutions |
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