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Updated: Jan 20, 2026

Sulfate Separation by Selective Crystallization with a Bis-iminoguanidinium Ligand
Published on: September 8, 2016
Selective Np(V) extraction by an unsymmetrical amide-triazine-pyridine ligand enabling simplified actinide separation
Xiaofan Yang1, Yufeng Wang1,2, Dong Fang1,3
1College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China. xiaoc@zju.edu.cn.
Abstract:
The unsymmetrical 2-N-ethyl-N-(tolyl)carboxamide-6-(5,5,8,8-tetramethylcyclohexyl-[1,2,4]triazin-3-yl)-pyridine (Et-Tol-CyMe4-ATP) ligand achieves unprecedented Np(V) extraction (D ≈ 100 in 1 M HNO3) with high selectivity factors over U(VI) and Pu(IV) (SF > 100), enabling simplified actinide separation for the nuclear fuel cycle.
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