Al-27, Na-23, F-19 NMR study of cryolife at the solid/liquid transition

被引：28
|
作者：
Lacassagne, V [1 ]
Bessada, C [1 ]
Ollivier, B [1 ]
Massiot, D [1 ]
Florian, P [1 ]
Coutures, JP [1 ]
机构：
[1] CTR RECH VOREPPE,PECHINEY,F-38340 VOREPPE,FRANCE
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE B-MECANIQUE PHYSIQUE CHIMIE ASTRONOMIE | 1997年 / 325卷 / 02期
关键词：
NMR; high temperature; cryolite;
D O I：
10.1016/S1251-8069(97)83251-4
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We present here the first Al-27 Na-23, F-19 NMR results near the liquid phase of cryolite, Na3AlF6, recorded with a high temperature laser heating system. We developed a sealed and chemically inert crucible to study this very corrosive and volatile molten salt. Evolution of chemical shift and relaxation time enable us to observe structural and dynamic changes at the solid/liquid transition.
引用
收藏
页码：91 / 98
页数：8
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