NMR study of materials for immobilisation of nuclear waste.

被引：2
|
作者：
Emery, J
Dacheux, N
Clavier, N
Genet, M
Brandel, V
Quarton, M
机构：
[1] Univ Maine, UMR 6087, Lab Phys Etat Condense, F-72085 Le Mans, France
[2] Univ Paris 11, Inst Phys Nucl, Grp Radiochim, F-91406 Orsay, France
[3] Univ Paris 06, CNRS, FR 2482, Inst Mat,Lab Cristallochim Solide, F-75252 Paris 05, France
来源：
COMPTES RENDUS CHIMIE | 2004年 / 7卷 / 3-4期
关键词：
P-31; NMR; actinide immobilisation; thorium phosphate hydrogen phosphate; cross-polarisation-magic angle spinning; REDOR; CP-REDOR;
D O I：
10.1016/j.crci.2003.09.010
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We present an NMR investigation on thorium phosphate hydrogen phosphate (TPHP), which is a precursor for thorium phosphate diphosphate (TPD), that is one of the four retained matrix for the study of the actinide immobilisation. As XRD cannot work, it is particularly difficult to define the TPHP chemical formula: Th-2(PO4)(2)HPO4.H2O or Th-4(PO4)(4)P2O7.3H(2)O. In this contribution, we show that a local technique as NMR can bring an answer to this problem. (C) 2004 Academie des sciences. Publie par Elsevier SAS. Tons droits reserves.
引用
收藏
页码：371 / 375
页数：5
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