Extraction Properties of Diphenylposphorylureas with Aliphatic ω-Nitrogen-Containing Substituents
作者:A. M. Safiulina、A. V. Lizunov、N. E. Borisova、T. V. Baulina、E. I. Goryunov、I. B. Goryunova、V. K. Brel’
DOI:10.1134/s0036023621050156
日期:2021.5
Abstract Extraction of lanthanides and actinides from nitric acid solutions with N-(diphenylphosphoryl)-N'-n-propylureas containing imidazolyl, diethylamino, pyrid-2-yl, 2-oxopyrrolidino fragments in the ω position of the alkyl substituent has been studied. It has been shown that Ho(III) and Yb(III) related to the yttrium subgroup of lanthanides are extracted much better than La(III) and Nd(III) related
摘要 镧系元素和锕系元素的提取硝酸溶液与ñ - (二苯基磷酰基) - ñ “ - ñ含有咪唑基-propylureas,二乙氨基,吡啶-2-基,在烷基取代基的ω位2-oxopyrrolidino片段进行了研究。结果表明,与镧系元素的钇亚组有关的Ho(III)和Yb(III)的提取要比与铈有关的La(III)和Nd(III)更好。在末端氮原子上含有ω-(2-氧代吡咯烷基)丙基片段的N-(二苯基磷酰基)脲显示出最佳的萃取性能。理论上已经通过对复杂性进行建模来解释这种依赖性,因为f的协调具有酰胺氧原子的嵌段元素离子是更优选的