From Nd(III) and Pu(III) Oxalates to Oxides: Influence of Nitrilotris(methylenephosphonic acid) on Chemical Composition, Structure, and Morphology

被引：5

作者：

Vitart, Anne-Lise ^{[1
,2
]}

Haidon, Blaise ^{[1
,2
]}

Arab-Chapele, Benedicte ^{[1
]}

Rivenet, Murielle ^{[2
]}

Bisel, Isabelle ^{[1
]}

Pochon, Patrick ^{[3
]}

Roussel, Pascal ^{[2
]}

Grandjean, Stephane ^{[4
]}

Abraham, Francis ^{[2
]}

机构：

[1] CEA Marcoule, DMRC SFMA LPCA, Bat 399,BP 17171, F-30207 Bagnols Sur Ceze, France

[2] Univ Lille, Univ Artois, CNRS, Cent Lille,ENSCL,UMR 8181,UCCS, F-59000 Lille, France

[3] CEA Marcoule, DMRC SPDS LDPS, Bat 57,BP 17171, F-30207 Bagnols Sur Ceze, France

[4] CEA Marcoule, DMRC SPDS DIR, Bat 399,BP 17171, F-30207 Bagnols Sur Ceze, France

来源：

CRYSTAL GROWTH & DESIGN | 2017年 / 17卷 / 09期

关键词：

MULTIDENTATE ORGANIC PHOSPHONATES; X-RAY-DIFFRACTION; CRYSTAL-GROWTH; SOLID-SOLUTIONS; MIXED SITE; COMPLEXES; LANTHANIDE; AMERICIUM; U(IV); SHAPE;

D O I：

10.1021/acs.cgd.7b00643

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Neodymium oxalate structure and morphology were modified by adding a phosphonate, NTMP, during the oxalic precipitation step. Spherical agglomerates of neodymium oxalate Nd-2(C2O4)(3)(H2O)6 center dot 12H(2)O composed of thin hexagonal rods were precipitated instead of decahydrated oxalate Nd-2(C2O4)(3)(H2O)6 center dot 4H(2)O with rod-like particles usually obtained in the absence of additive. Despite some differences in the complexation with NTMP and complexity from redox, the use of NTMP was successfully transposed to the plutonium system. Spherical agglomerates of plutonium (III) oxalate were so obtained, leading to spherical agglomerates of PuO2 after thermal treatment.

引用

页码：4715 / 4725

页数：11

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