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

被引：0

作者：

Kurdakova, S. V. ^{[1
]}

Kovalenko, N. A. ^{[1
]}

Arkhipin, A. S. ^{[1
]}

Kaplina, M. D. ^{[1
]}

Nesterov, A. V. ^{[1
]}

Uspenskaya, I. A. ^{[1
]}

机构：

[1] Lomonosov Moscow State Univ, Moscow 119991, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2024年 / 98卷 / 02期

关键词：

extraction; samarium nitrate; di(2-ethylhexyl)phosphoric acid; cyclohexane; toluene; n-heptane; n-dodecane; DI-(2-ETHYLHEXYL)PHOSPHORIC ACID; THERMODYNAMIC PROPERTIES; SOLVENT-EXTRACTION; RARE-EARTHS; EUROPIUM; GADOLINIUM; MIXTURES; KINETICS; D2EHPA;

D O I：

10.1134/S0036024424020110

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：165 / 171

页数：7

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