Synthesis and characterization of bis-succinamides for extraction of UO2        2+ from nitric acid solution

Ze Yi Yan; Ming Jian He; Qing Gang Huang; Peng Ren; Yang Li; Zuo Miao Wu; Wang Suo Wu

doi:10.1007/s10967-016-4863-9

Synthesis and characterization of bis-succinamides for extraction of UO₂ ²⁺ from nitric acid solution

Ze Yi Yan^*
, Ming Jian He
, Qing Gang Huang
, Peng Ren
, Yang Li
, Zuo Miao Wu
, Wang Suo Wu

^*Corresponding author for this work

Lanzhou University

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Several novel extractants based on the bis-succinamide (BisSCA) structure have been synthesized and characterized by NMR, IR and HRMS. Extraction distribution ratios of U(VI) have been studied as a function of popular diluents and aqueous concentrations of HNO₃ as well as extractant concentration. In contrast with single succinamide extractants, the BisSCA extractants exhibited better extraction efficiency in the present system, and suggesting that BisSCAs could efficiently associate with uranyl ion in different mode of complexation. Based on the relationships between logD_U(VI) and log[BisSCA] under different ionic strengths, the preferable compositions of extracted species were presumed to be the major [UO₂(NO₃)₂]₂·[BisSCA]₂ and the minor UO₂(NO₃)₂·[BisSCA]₂.

Original language	English
Pages (from-to)	1101-1106
Number of pages	6
Journal	Journal of Radioanalytical and Nuclear Chemistry
Volume	310
Issue number	3
DOIs	https://doi.org/10.1007/s10967-016-4863-9
State	Published - 1 Dec 2016
Externally published	Yes

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SDG 3 Good Health and Well-being

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10.1007/s10967-016-4863-9

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title = "Synthesis and characterization of bis-succinamides for extraction of UO2 2+ from nitric acid solution",

abstract = "Several novel extractants based on the bis-succinamide (BisSCA) structure have been synthesized and characterized by NMR, IR and HRMS. Extraction distribution ratios of U(VI) have been studied as a function of popular diluents and aqueous concentrations of HNO3 as well as extractant concentration. In contrast with single succinamide extractants, the BisSCA extractants exhibited better extraction efficiency in the present system, and suggesting that BisSCAs could efficiently associate with uranyl ion in different mode of complexation. Based on the relationships between logDU(VI) and log[BisSCA] under different ionic strengths, the preferable compositions of extracted species were presumed to be the major [UO2(NO3)2]2·[BisSCA]2 and the minor UO2(NO3)2·[BisSCA]2.",

author = "Yan, \{Ze Yi\} and He, \{Ming Jian\} and Huang, \{Qing Gang\} and Peng Ren and Yang Li and Wu, \{Zuo Miao\} and Wu, \{Wang Suo\}",

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doi = "10.1007/s10967-016-4863-9",

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T1 - Synthesis and characterization of bis-succinamides for extraction of UO2 2+ from nitric acid solution

AU - Yan, Ze Yi

AU - He, Ming Jian

AU - Huang, Qing Gang

AU - Ren, Peng

AU - Li, Yang

AU - Wu, Zuo Miao

AU - Wu, Wang Suo

PY - 2016/12/1

Y1 - 2016/12/1

N2 - Several novel extractants based on the bis-succinamide (BisSCA) structure have been synthesized and characterized by NMR, IR and HRMS. Extraction distribution ratios of U(VI) have been studied as a function of popular diluents and aqueous concentrations of HNO3 as well as extractant concentration. In contrast with single succinamide extractants, the BisSCA extractants exhibited better extraction efficiency in the present system, and suggesting that BisSCAs could efficiently associate with uranyl ion in different mode of complexation. Based on the relationships between logDU(VI) and log[BisSCA] under different ionic strengths, the preferable compositions of extracted species were presumed to be the major [UO2(NO3)2]2·[BisSCA]2 and the minor UO2(NO3)2·[BisSCA]2.

AB - Several novel extractants based on the bis-succinamide (BisSCA) structure have been synthesized and characterized by NMR, IR and HRMS. Extraction distribution ratios of U(VI) have been studied as a function of popular diluents and aqueous concentrations of HNO3 as well as extractant concentration. In contrast with single succinamide extractants, the BisSCA extractants exhibited better extraction efficiency in the present system, and suggesting that BisSCAs could efficiently associate with uranyl ion in different mode of complexation. Based on the relationships between logDU(VI) and log[BisSCA] under different ionic strengths, the preferable compositions of extracted species were presumed to be the major [UO2(NO3)2]2·[BisSCA]2 and the minor UO2(NO3)2·[BisSCA]2.

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M3 - 文章

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JO - Journal of Radioanalytical and Nuclear Chemistry

JF - Journal of Radioanalytical and Nuclear Chemistry

IS - 3

ER -

Synthesis and characterization of bis-succinamides for extraction of UO₂ ²⁺ from nitric acid solution

Abstract

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