A selective colorimetric sensor for Cu2+ in aqueous solution

被引：12

作者：

Liu, Yen-Wen ^{[1
]}

Chir, Jiun-Ly ^{[1
]}

Wang, Shan-Teng ^{[1
]}

Wu, An-Tai ^{[1
]}

机构：

[1] Natl Changhua Univ Educ, Dept Chem, Changhua 50058, Taiwan

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2014年 / 45卷

关键词：

Schiff-base; Colorimetric; Chemosensor; Pyridine; Naked-eye; ON FLUORESCENT SENSOR; HIGHLY EFFICIENT; COPPER IONS; CHEMOSENSOR; CU(II); RHODAMINE; SUBUNITS; SCHIFF; ETHER;

D O I：

10.1016/j.inoche.2014.04.017

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

We synthesized a novel Schiff-based receptor 1, and investigated its binding properties toward various metal ions. Receptor 1 showed a dramatic color change from colorless to red which could easily be detected by the naked-eye upon binding with Cu2+. The association constant for 1 center dot Cu2+ in DMSO/H2O (v/v, 1:9) was calculated to be 1.98 x 10(8) M-1. With the addition of Na(2)EDTA to a mixture of receptor 1 and Cu2+, the solution changed back to its original colorless appearance instantly. Crown Copyright (C) 2014 Published by Elsevier B.V. All rights reserved.

引用

页码：112 / 115

页数：4

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