Colourimetric detection of Hg2+ by a chromogenic reagent based on methyl orange and open-chain polyazaoxaalkanes

被引:36
作者
Sancenón, F [1 ]
Martínez-Máñez, R [1 ]
Soto, J [1 ]
机构
[1] Univ Politecn Valencia, Dept Quim, E-46071 Valencia, Spain
关键词
chromogenic reagents; mercury detection; iron detection; aza-oxa binding sites;
D O I
10.1016/S0040-4039(01)00671-2
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The receptors L-1, L-2 and L-3 containing pendant aza-oxa binding sites have been synthesised and their UV-vis spectrum studied in the presence of alkali, alkali-earth and transition metal ions in dioxane. The dye L-3 changes its colour selectively upon Hg2+ addition. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:4321 / 4323
页数:3
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