COMPARATIVE-STUDY OF NEUTRAL CARRIERS IN POLYMERIC LITHIUM ION-SELECTIVE ELECTRODES

被引:46
作者
GADZEKPO, VPY [1 ]
HUNGERFORD, JM [1 ]
KADRY, AM [1 ]
IBRAHIM, YA [1 ]
XIE, RY [1 ]
CHRISTIAN, GD [1 ]
机构
[1] UNIV WASHINGTON,DEPT CHEM,BG-10,SEATTLE,WA 98195
关键词
ELECTRODES; -; MEMBRANES; Materials; PHOSPHATES;
D O I
10.1021/ac00122a007
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
New lipophilic diamide compounds have been synthesized and tested as ionophores for lithium in poly(vinyl chloride) (PVC) membrane electrodes, including compounds with pyridine, furan, dioxanonane, and polyether backbones with different lipophilic diamide groups. The new ionophores were compared with previously reported ionophores under similar measurement conditions with the same plasticizer, tris(2-ethylhexyl) phosphate, in all membranes. Fixed interference and matched potential methods were used to determine relative selectivity coefficients for all the electrodes.
引用
收藏
页码:1948 / 1953
页数:6
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