TRLFS study on the complexation of Cm(III) and Eu(III) with SO3-Ph-BTBP

被引：29

作者：

Wagner, Christoph ^{[1
,2
]}

Muellich, Udo ^{[2
]}

Geist, Andreas ^{[2
]}

Panak, Petra J. ^{[1
,2
]}

机构：

[1] Heidelberg Univ, Dept Phys Chem, D-69120 Heidelberg, Germany

[2] Karlsruhe Inst Technol, Inst Nucl Waste Disposal INE, D-76021 Karlsruhe, Germany

来源：

DALTON TRANSACTIONS | 2015年 / 44卷 / 39期

基金：

芬兰科学院;

关键词：

HYDROPHILIC 2,6-BIS(1,2,4-TRIAZIN-3-YL)-PYRIDINE; ACTINIDE(III)/LANTHANIDE(III) SEPARATION; FISSION-PRODUCTS; 1-CYCLE SANEX; ACTINIDES; FLUORESCENCE; EXTRACTION; LIGANDS; TODGA; LANTHANIDES(III);

D O I：

10.1039/c5dt02923f

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The complexation of Cm(III) and Eu(III) with a water soluble BTBP (sodium 3,3', 3 '', 3'''-([2,2'-bipyridine]-6,6'-diylbis(1,2,4-triazine-3,5,6-triyl)) tetrabenzenesulfonate, SO3-Ph-BTBP) is studied using time resolved laser fluorescence spectroscopy. For the complexation of Cm(III) the influence of the medium (10(-3) M HClO4 -> 0.5 M HNO3) is investigated in detail revealing important impacts of the applied medium (pH, ionic strength, anions) on the speciation and conditional stability constants. SO3-Ph-BTBP forms 1 : 2 complexes with Cm(III) and Eu(III). The conditional stability constants of [Cm(SO3-Ph-BTBP)(2)](5-) and [Eu(SO3-Ph-BTBP) 2](5-) in 0.5 M HNO3 are determined to be log beta(02) = 7.3 +/- 0.3 and log beta(02) = 5.4 +/- 0.5, respectively. The difference of 1.9 orders of magnitude is in line with hydrophobic BT(B)P type ligands and shows that the selectivity is not affected by tuning the hydrophilicity using SO3-Ph-side chains.

引用

页码：17143 / 17151

页数：9

共 41 条

[21] Development and demonstration of innovative partitioning processes (i-SANEX and 1-cycle SANEX) for actinide partitioning [J].

Modolo, G. ;

Wilden, A. ;

Kaufholz, P. ;

Bosbach, D. ;

Geist, A. .

PROGRESS IN NUCLEAR ENERGY, 2014, 72 :107-114

[22] Development and demonstration of a new SANEX Partitioning Process for selective actinide(III)/lanthanide(III) separation using a mixture of CyMe4BTBP and TODGA [J].

Modolo, G. ;

Wilden, A. ;

Daniels, H. ;

Geist, A. ;

Magnusson, D. ;

Malmbeck, R. .

RADIOCHIMICA ACTA, 2013, 101 (03) :155-162

[23]

Modolo G., 2015, Reprocessing and recycling of spent nuclear fuel, P245, DOI DOI 10.1016/B978-1-78242-212-9.00010-1

[24]

Mullich U., 2011, [No title captured], Patent No. [EP 2377861 A1, 2377861]

[25]

Musikas C., 1983, INT SOLV EXTR C ISEC

[26] The selectivity of diglycolamide (TODGA) and bis-triazine-bipyridine (BTBP) ligands in actinide/lanthanide complexation and solvent extraction separation - a theoretical hpproach [J].

Narbutt, Jerzy ;

Wodynski, Artur ;

Pecul, Magdalena .

DALTON TRANSACTIONS, 2015, 44 (06) :2657-2666

[27]

OECD-NEA, 2011, 6894 OECDNEA

[28]

OECD-NEA, 1999, 3108 OECDNEA

[29] Complexation and Extraction of Trivalent Actinides and Lanthanides by Triazinylpyridine N-Donor Ligands [J].

Panak, Petra J. ;

Geist, Andreas .

CHEMICAL REVIEWS, 2013, 113 (02) :1199-1236

[30] Assessment of the environmental footprint of nuclear energy systems. Comparison between closed and open fuel cycles [J].

Poinssot, Ch. ;

Bourg, S. ;

Ouvrier, N. ;

Combernoux, N. ;

Rostaing, C. ;

Vargas-Gonzalez, M. ;

Bruno, J. .

ENERGY, 2014, 69 :199-211

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