Study of complexation of Li, Na and K trichloroacetates in extraction systems with benzo-15-crown-5 ether and its lipophilic analog

被引：1
作者：
Sharov, Vladislav E. [1 ]
Kostikova, Galina, V [1 ]
Tikhomirova, Yuliya T. [1 ]
Chebotnikov, Yakov M. [1 ]
Demina, Liudmila I. [1 ]
Grigoriev, Mikhail S. [1 ]
Zhilov, Valery I. [1 ]
Tsivadze, Aslan Yu. [1 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Leninsky Prospect 31-4, Moscow 119071, Russia
来源：
POLYHEDRON | 2024年 / 264卷
关键词：
Benzo-15-crown-5; Lithium; Sodium; Solvent extraction; IR-spectroscopy; X-ray diffraction; X-RAY-DIFFRACTION; SOLVENT-EXTRACTION; CROWN-ETHERS; ALKALI; SELECTIVITY; RECOVERY; ANIONS; IONS;
D O I：
10.1016/j.poly.2024.117216
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The extraction of Li, Na and K trichloroacetates by benzo-15-crown-5 ether and its lipophilic analog in chloroform has been studied. Extraction isotherms were obtained and the transition of extractants into the equilibrium aqueous phase was determined. The metal: crown ether ratios in the extracted compounds were determined by the slope analysis method. The thermodynamic extraction parameters of Li, Na and K trichloroacetates in systems with benzo-15-crown-5 ether (B15C5) and 3-tert-pentylbenzo-15-crown-5 ether (tPB15C5) were determined. The complexes [Li-3(B15C5)(TCA)(3)], [Na(B15C5)(TCA)] and [K(B15C5)(2)](DCA)<middle dot>H2O were isolated in crystalline form and characterized by IR spectroscopy and X-ray diffraction.
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页数：12
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