SYNTHESIS AND POTENTIOMETRIC SELECTIVITY STUDY OF NEW SPIRO-14-CROWN-4 DERIVATIVES

被引：2

作者：

IBRAHIM, YA ^{[1
]}

ELWAHY, AHM ^{[1
]}

HANNA, HR ^{[1
]}

KHELLA, SK ^{[1
]}

机构：

[1] CAIRO UNIV,FAC SCI,DEPT CHEM,GIZA,EGYPT

来源：

SUPRAMOLECULAR CHEMISTRY | 1994年 / 4卷 / 01期

关键词：

D O I：

10.1080/10610279408029866

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Four new compounds with 14-crown-4 attached to spirocyclopentane or spirocyclohexane were synthesized and tested for potentiometric selectivity for lithium ion in polyvinyl chloride membrane electrodes, Four plasticizers were studied and the addition of trioctylphosphine oxide (TOPO) was investigated, One ionophore exhibited a sodium/lithium selectivity, K-Li,Na(pot) by the matched potential method of 0.0028 in the presence of 1% TOPO, using o-nitrophenylphenyl ether as plasticizer, Selectivities are reported for sodium, potassium, nickel, cobalt, barium and calcium.

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页码：83 / 89

页数：7

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