Characterization of redox sensitive plutonium(III) complexed with alkylated 2,6-ditriazinylpyridine (BTP) in organic solution

被引：62

作者：

Banik, Nidhu L. ^{[1
]}

Schimmelpfennig, Bernd ^{[1
]}

Marquardt, Christian M. ^{[1
]}

Brendebach, Boris ^{[1
]}

Geist, Andreas ^{[1
]}

Denecke, Melissa A. ^{[1
]}

机构：

[1] Karlsruher Inst Technol, Inst Nukl Entsorgung, D-76021 Karlsruhe, Germany

来源：

DALTON TRANSACTIONS | 2010年 / 39卷 / 21期

关键词：

BASIS-SETS; ABSORPTION-SPECTRA; EU(III); PSEUDOPOTENTIALS; URANIUM(III); EXTRACTION; TRIVALENT; VALENCE; AM(III);

D O I：

10.1039/b927016g

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Spectroscopic, solvent extraction methods and computational chemistry are applied for the characterization of redox sensitive trivalent plutonium complexed with the N-donor extracting agent alkylated 2,6-ditriazinylpyridines (n-C(3)H(7)-BTP) in organic solution. The redox stabilization and speciation of Pu(III) is discussed. Extraction of Pu(III) with n-C3H7-BTP is compared to that for redox stable Am(III). The speciation of Pu(III) with n-C3H7-BTP in organic solution is studied by UV-Vis/NIR and XAFS spectroscopy. Only the 1 : 3 complex, [Pu(n-C(3)H(7)-BTP)(3)](3+) is observed to form, which is confirmed by EXAFS and solvent extraction. The [Pu(n-C(3)H(7)-BTP)(3)](3+) complex is compared to the isostructural U(III), Am(III), and Cm(III) complexes studied earlier.

引用

页码：5117 / 5122

页数：6

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