A calixarene-based fluorogenic reagent for selective mercury(II) recognition

被引：146

作者：

Talanova, GG ^{[1
]}

Elkarim, NSA ^{[1
]}

Talanov, VS ^{[1
]}

Bartsch, RA ^{[1
]}

机构：

[1] Texas Tech Univ, Dept Chem & Biochem, Lubbock, TX 79409 USA

来源：

ANALYTICAL CHEMISTRY | 1999年 / 71卷 / 15期

关键词：

D O I：

10.1021/ac990205u

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The first calixarene-based fluorogenic Hg(II)-selective extractant, 5,11,17,23-tetrakis(1,1-dimethylethyl)-25,27-bis(N-(5-dimethylaminonaphthalene-1-sulfonyl)carbamoylmethoxy)-26,28-dimethoxycalix[4]arene (2), is reported. In solvent extraction front aqueous acidic solutions (HNO3), 2 exhibits excellent selectivity for Hg(II) over a wide range of transition, alkali, and alkaline earth metal cations, Quenching of its fluorescence due to Hg(II) coordination is unaffected by the presence of 100-fold excesses of alkali metal cations, alkaline earth metal cations, Ag(I), TI(I), Cd(II), Co(II), Cu(II), Mi(II), Pb(II), Pd(II), Zn(II), or Fe(III).

引用

页码：3106 / 3109

页数：4

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