Insights into the Coordination and Extraction of Yttrium(III) Ions with a Phenoxyacetic Acid Ionic-Liquid Extractant

doi:10.1002/ejic.201601491

CAS OpenIR > 中科院上海应用物理研究所2011-2018年

	Insights into the Coordination and Extraction of Yttrium(III) Ions with a Phenoxyacetic Acid Ionic-Liquid Extractant
	Guo, XG; Yang, RO; Gong, Y; Jiang, Z; Dong, YM; Sun, XQ
	2017
发表期刊	EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
ISSN	1434-1948
卷号	2017 期号:17 页码:2332-2339
文章类型	期刊论文
摘要	Phenoxyacetic acid type extractants such as sec-octylphenoxyacetic acid (CA-12), sec-nonylphenoxyacetic acid (CA-100), and the resulting bifunctional ionic-liquid extractants were developed to separate yttrium from heavy rare-earth elements (REEs). To obtain information on the coordination chemistry of this type of bifunctional ionic-liquid extractant, the CA-12 analogue n-octylphenoxyacetic acid (HOCTPOA) was synthesized, and its structure was characterized by single-crystal X-ray diffraction analysis. Then, a bifunctional ionic-liquid extractant based on HOCTPOA, namely, [N-1888][OCTPOA] (N-1888 is methyltrioctylammonium) was synthesized. The study of the extraction of yttrium with [N-1888][OCTPOA] in chloride media was conducted by IR spectroscopy, logD versus logC slope analysis, ESI-MS, extended X-ray absorption fine structure (EXAFS), and DFT studies. The EXAFS data indicate that a Y-III extraction complex with phenoxyacetic acid formed. Three possible Y-III coordination cations were calculated by the DFT method, and the obtained Y-O bond lengths were comparable to the results from EXAFS fitting. A possible structure for the overall extracted complex was proposed, and this knowledge should contribute to a better understanding of the extraction process with phenoxyacetate-type bifunctional ionic liquids.
关键词	Rare Earths Ionic Liquids Extraction Saponification Density Functional Calculations
DOI	10.1002/ejic.201601491
收录类别	SCI
语种	英语
WOS记录号	WOS:000400991200005
引用统计
文献类型	期刊论文
条目标识符	http://ir.sinap.ac.cn/handle/331007/27354
专题	中科院上海应用物理研究所2011-2018年
推荐引用方式 GB/T 7714	Guo, XG,Yang, RO,Gong, Y,et al. Insights into the Coordination and Extraction of Yttrium(III) Ions with a Phenoxyacetic Acid Ionic-Liquid Extractant[J]. EUROPEAN JOURNAL OF INORGANIC CHEMISTRY,2017,2017(17):2332-2339.
APA	Guo, XG,Yang, RO,Gong, Y,Jiang, Z,Dong, YM,&Sun, XQ.(2017).Insights into the Coordination and Extraction of Yttrium(III) Ions with a Phenoxyacetic Acid Ionic-Liquid Extractant.EUROPEAN JOURNAL OF INORGANIC CHEMISTRY,2017(17),2332-2339.
MLA	Guo, XG,et al."Insights into the Coordination and Extraction of Yttrium(III) Ions with a Phenoxyacetic Acid Ionic-Liquid Extractant".EUROPEAN JOURNAL OF INORGANIC CHEMISTRY 2017.17(2017):2332-2339.

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