Conformational interconversion as a marker of third phase formation in the extraction of metal nitrates using tri-alkyl phosphate extractants in dodecane diluent: Insights from infrared spectroscopy

IF 3.1 3区 化学 Q3 CHEMISTRY, PHYSICAL Chemical Physics Letters Pub Date : 2025-02-26 DOI:10.1016/j.cplett.2025.142009
N. Ramanathan , K. Sundararajan , Swaroop Chandra
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Abstract

The changes observed on the conformational landscape of tri-alkyl phosphates due to its complexation with metal-nitrates and the influence of polarity of the surrounding environment has been interpreted. Observations from extraction studies involving model phosphates with nitrates of U(VI), Th(IV) and Pu(IV) have been utilized to extrapolate to liquid phase from the insights gained through the matrix isolation infrared and computational studies reported earlier on the conformations of phosphates in gas phase. An observable enrichment of ‘Trans’ form of free extractants while loading metal-nitrates into the organic phase is established as a premonition to phase splitting resulting in third-phase formation.

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在十二烷稀释剂中使用三烷基磷酸盐萃取剂萃取金属硝酸盐时,构象相互转化作为第三相形成的标志:来自红外光谱的见解
本文解释了三烷基磷酸盐与硝酸金属络合所引起的构象景观变化以及周围环境极性的影响。从模型磷酸盐与U(VI)、Th(IV)和Pu(IV)硝酸盐的萃取研究中观察到的结果,已被用于从基质分离红外和先前报道的关于磷酸盐在气相构象的计算研究中获得的见解推断到液相。当将金属硝酸盐加载到有机相中时,可观察到“反式”形式的游离萃取剂富集,这是相分裂导致第三相形成的预兆。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Chemical Physics Letters
Chemical Physics Letters 化学-物理:原子、分子和化学物理
CiteScore
5.70
自引率
3.60%
发文量
798
审稿时长
33 days
期刊介绍: Chemical Physics Letters has an open access mirror journal, Chemical Physics Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Chemical Physics Letters publishes brief reports on molecules, interfaces, condensed phases, nanomaterials and nanostructures, polymers, biomolecular systems, and energy conversion and storage. Criteria for publication are quality, urgency and impact. Further, experimental results reported in the journal have direct relevance for theory, and theoretical developments or non-routine computations relate directly to experiment. Manuscripts must satisfy these criteria and should not be minor extensions of previous work.
期刊最新文献
Editorial Board Graphical abstract TOC Contents continued Graphical abstract TOC Spectral origins of frontier-orbital inversions in atoms and molecules
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