A K-39 NMR-STUDY OF POTASSIUM SOLUTION IN TETRAHYDROFURAN CONTAINING CRYPTAND[2.2.2]

被引：7
|
作者：
SOKOL, M [1 ]
GROBELNY, J [1 ]
GROBELNY, Z [1 ]
JEDLINSKI, ZJ [1 ]
机构：
[1] POLISH ACAD SCI,INST POLYMER CHEM,PL-41800 ZABRZE,POLAND
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 1991年 / 47卷 / 11期
关键词：
D O I：
10.1016/0584-8539(91)80249-I
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
By means of K-39 NMR spectroscopy the presence of potassium anions and complexed potassium cations in blue potassium solutions in THF containing cryptand[2.2.2] was evidenced. Spin-lattice and spin-spin relaxation was studied in the temperature range 178-238 K. The comparison of relaxation behaviour of the investigated system with that of potassium solutions containing 18-crown-6 or tetraglyme instead of cryptand[2.2.2] revealed the major influence of the complexing agent on interactions of K+ with its counterion.
引用
收藏
页码：1547 / 1550
页数：4
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