MOLECULAR DESIGN OF CALIX[4]ARENE-BASED SODIUM-SELECTIVE ELECTRODES WHICH SHOW REMARKABLY HIGH 10(5.0)-10(5.3) SODIUM/POTASSIUM SELECTIVITY

被引：138

作者：

YAMAMOTO, H ^{[1
]}

SHINKAI, S ^{[1
]}

机构：

[1] RES DEV CORP JAPAN, ERATO, CHEMIRECOGNICS PROJECT, KURUME, FUKUOKA 830, JAPAN

来源：

CHEMISTRY LETTERS | 1994年 / 06期

关键词：

D O I：

10.1246/cl.1994.1115

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Several ionophores for the Na+-selective electrode were developed from calix[4]arene crown ethers with a short -(CH2CH2O)(2)CH2CH2- crown loop on the lower rim. The ionophoric cavities generated in these ionophores are much smaller and more rigid than those derived from calix[4]arene crown ethers with a long -(CH2CH2O)3CH(2)CH(2)- crown loop. It was shown that two electrodes possess Na+ selectivity (with respect to K+) exceeding a factor of 10(5) which is higher by more than two orders of magnitude than that of the former calix[4]arene-based Na+-selective electrodes!

引用

页码：1115 / 1118

页数：4

共 15 条

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