Preparation and characterization of a mesoporous silica-based copolymer loaded with bis(2-ethylhexyl) phosphate for the efficient separation of trace radium from natural thorium

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

He, Xuexiang;Liao, Linyuan;Tang, Jing;Chen, Lifeng;Lv, Lidan;...

通讯作者：

Chen, LF

作者机构：

[Liao, Linyuan; Ning, Shunyan; Wei, Yuezhou; He, Xuexiang; Tang, Jing; Yin, Xiangbiao; Chen, Lifeng; He, Dongqiao; Chen, LF; Li, Wenlong; Lv, Lidan] Univ South China, Sch Nucl Sci & Technol, 28 Changsheng West Rd, Hengyang 421001, Peoples R China.

[Wei, Yuezhou; He, Xuexiang; Chen, Lifeng; Chen, LF] Univ South China, Key Lab Adv Nucl Energy Design & Safety, Minist Educ, 28 Changsheng West Rd, Hengyang 421001, Peoples R China.

[Wei, Yuezhou] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, 800 Dong Chuan Rd, Shanghai 200240, Peoples R China.

通讯机构：

[Chen, LF ] U

Univ South China, Sch Nucl Sci & Technol, 28 Changsheng West Rd, Hengyang 421001, Peoples R China.

Univ South China, Key Lab Adv Nucl Energy Design & Safety, Minist Educ, 28 Changsheng West Rd, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

Thorium;Radium;Separation;Silica-based copolymer;Bis (2-ethylhexyl) phosphate

期刊：

Journal of Radioanalytical and Nuclear Chemistry

ISSN：

0236-5731

年：

2024

页码：

1-13

DOI：

10.1007/s10967-024-09607-2

基金类别：

Open Foundation of the National Isotope Engineering Technology Research Center; Scientific Research Project of Hunan Education Department [21B0400]; Natural Science Foundation project of Hunan Province [2023JJ40527]; Science and Technology Innovation Program of Hunan Province [2023RC1067]; National Key R&D Program of China [2022YFB3506100]; [GJTWSGCZX-202302]

机构署名：

本校为第一且通讯机构

院系归属：

核科学技术学院

摘要：

A silica-supported copolymer loaded with bis (2-ethylhexyl) phosphate was prepared and first investigated for the separation of trace radium from natural 232Th. Results showed that the adsorbent was prepared successfully with ultrahigh selectivity and ultrafast adsorption kinetics towards thorium, making the separation easy and convenient. The chemical recovery rate to radium reached 96.7%, and the decontamination factor to thorium exceeded 105. Generally, this work demonstrated the feasibility of using this material and method to directly separate 228Ra and 224Ra from 232Th, rendering it sign...

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Preparation and characterization of a mesoporous silica-based copolymer loaded with bis(2-ethylhexyl) phosphate for the efficient separation of trace radium from natural thorium

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