磁泳摩尔比法在溶剂萃取体系中的应用。

Magnetophoretic mole-ratio method in solvent extraction systems.

机构信息

Institute for NanoScience, Design, Osaka University, Toyonaka, Osaka, 560-8531, Japan.

Institute for NanoScience, Design, Osaka University, Toyonaka, Osaka, 560-8531, Japan.

出版信息

Anal Chim Acta. 2020 May 15;1111:60-66. doi: 10.1016/j.aca.2020.03.042. Epub 2020 Mar 24.

DOI:10.1016/j.aca.2020.03.042

Abstract

The magnetophoretic mole-ratio method was applied to the solvent extraction systems of paramagnetic metal ions with bis(2-ethylhexyl)hydrogen phosphate in 2-fluorotoluene. In the extraction of Mn(II), Co(II), Ni(II), Tb(III) and Dy(III), the compositions of the extracted metal complexes were determined from the measurements of the magnetophoretic velocity of a single droplet as a function of the mole ratio of the metal ion and the ligand.

摘要

磁泳摩尔比法被应用于 2-氟甲苯中二(2-乙基己基)磷酸氢盐萃取体系中顺磁金属离子的溶剂萃取系统。在 Mn(II)、Co(II)、Ni(II)、Tb(III)和 Dy(III)的萃取中，通过测量单个液滴的磁泳速度随金属离子和配体摩尔比的变化，确定了所萃取的金属配合物的组成。

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