EXTRACTION AND TRANSPORT OF LITHIUM ION BY A CROWN-ETHER ALKYLPHOSPHORIC ACID SYSTEM [1]

被引：20

作者：

TAKAHASHI, T

HABATA, Y

IRI, Y

机构：

[1] Lion Corporation, Edogawa-ku, Tokyo, 132

来源：

JOURNAL OF INCLUSION PHENOMENA AND MOLECULAR RECOGNITION IN CHEMISTRY | 1991年 / 11卷 / 04期

关键词：

CROWN ETHER; ALKYLPHOSPHORIC ACID; LITHIUM TRANSPORT;

D O I：

10.1007/BF01041415

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Mixed carrier systems composed of crown ethers and alkylphosphoric acids have been studied as lithium ionophores using a solvent extraction technique and in transport across liquid membranes. The combination of dibenzo-14-crown-4 and bis(2-ethylhexyl)phosphoric acid showed a synergistic enhancement on both lithium ion selectivity and transport rate. The synergistic effects depended strongly upon crown ether structure and the enhancement was observed only when the metal cation corresponded to the crown ether's cavity diameter. Complex formation in the organic phase was assesed by use of FAB-mass spectrometry.

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页码：379 / 388

页数：10

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